diff --git a/poetry.lock b/poetry.lock
index 0e86627..bc90ba3 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,121 +1,118 @@
 [[package]]
-category = "main"
-description = "Python wrapper for loading Jason Hood's ANSICON"
-marker = "sys_platform == \"win32\" or platform_system == \"Windows\""
 name = "ansicon"
+version = "1.89.0"
+description = "Python wrapper for loading Jason Hood's ANSICON"
+category = "main"
 optional = false
 python-versions = "*"
-version = "1.89.0"
 
 [[package]]
-category = "dev"
-description = "Atomic file writes."
-marker = "sys_platform == \"win32\""
 name = "atomicwrites"
+version = "1.4.0"
+description = "Atomic file writes."
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "1.4.0"
 
 [[package]]
-category = "dev"
-description = "Classes Without Boilerplate"
 name = "attrs"
+version = "20.2.0"
+description = "Classes Without Boilerplate"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "20.2.0"
 
 [package.extras]
-dev = ["coverage (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "sphinx", "sphinx-rtd-theme", "pre-commit"]
+dev = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "sphinx", "sphinx-rtd-theme", "pre-commit"]
 docs = ["sphinx", "sphinx-rtd-theme", "zope.interface"]
-tests = ["coverage (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface"]
-tests_no_zope = ["coverage (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six"]
+tests = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface"]
+tests_no_zope = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six"]
 
 [[package]]
-category = "main"
-description = "Easy, practical library for making terminal apps, by providing an elegant, well-documented interface to Colors, Keyboard input, and screen Positioning capabilities."
 name = "blessed"
+version = "1.17.10"
+description = "Easy, practical library for making terminal apps, by providing an elegant, well-documented interface to Colors, Keyboard input, and screen Positioning capabilities."
+category = "main"
 optional = false
 python-versions = "*"
-version = "1.17.10"
 
 [package.dependencies]
-jinxed = ">=0.5.4"
+jinxed = {version = ">=0.5.4", markers = "platform_system == \"Windows\""}
 six = ">=1.9.0"
 wcwidth = ">=0.1.4"
 
 [[package]]
-category = "main"
-description = "Composable command line interface toolkit"
 name = "click"
+version = "7.1.2"
+description = "Composable command line interface toolkit"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-version = "7.1.2"
 
 [[package]]
-category = "main"
-description = "Cross-platform colored terminal text."
 name = "colorama"
+version = "0.4.3"
+description = "Cross-platform colored terminal text."
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-version = "0.4.3"
 
 [[package]]
-category = "main"
-description = "Enlighten Progress Bar"
 name = "enlighten"
+version = "1.6.2"
+description = "Enlighten Progress Bar"
+category = "main"
 optional = false
 python-versions = "*"
-version = "1.6.2"
 
 [package.dependencies]
 blessed = ">=1.17.7"
 
 [[package]]
-category = "main"
-description = "Python bindings for FFmpeg - with complex filtering support"
 name = "ffmpeg-python"
+version = "0.2.0"
+description = "Python bindings for FFmpeg - with complex filtering support"
+category = "main"
 optional = false
 python-versions = "*"
-version = "0.2.0"
 
 [package.dependencies]
 future = "*"
 
 [package.extras]
-dev = ["future (0.17.1)", "numpy (1.16.4)", "pytest-mock (1.10.4)", "pytest (4.6.1)", "Sphinx (2.1.0)", "tox (3.12.1)"]
+dev = ["future (==0.17.1)", "numpy (==1.16.4)", "pytest-mock (==1.10.4)", "pytest (==4.6.1)", "Sphinx (==2.1.0)", "tox (==3.12.1)"]
 
 [[package]]
-category = "main"
-description = " A wrapper around ffprobe command to extract metadata from media files."
 name = "ffprobe-python"
+version = "1.0.3"
+description = " A wrapper around ffprobe command to extract metadata from media files."
+category = "main"
 optional = false
 python-versions = "*"
-version = "1.0.3"
 
 [[package]]
-category = "main"
-description = "Infer file type and MIME type of any file/buffer. No external dependencies."
 name = "filetype"
+version = "1.0.7"
+description = "Infer file type and MIME type of any file/buffer. No external dependencies."
+category = "main"
 optional = false
 python-versions = "*"
-version = "1.0.7"
 
 [[package]]
-category = "main"
-description = "Clean single-source support for Python 3 and 2"
 name = "future"
+version = "0.18.2"
+description = "Clean single-source support for Python 3 and 2"
+category = "main"
 optional = false
 python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
-version = "0.18.2"
 
 [[package]]
-category = "dev"
-description = "Read metadata from Python packages"
-marker = "python_version < \"3.8\""
 name = "importlib-metadata"
+version = "2.0.0"
+description = "Read metadata from Python packages"
+category = "dev"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
-version = "2.0.0"
 
 [package.dependencies]
 zipp = ">=0.5"
@@ -125,122 +122,117 @@ docs = ["sphinx", "rst.linker"]
 testing = ["packaging", "pep517", "importlib-resources (>=1.3)"]
 
 [[package]]
-category = "dev"
-description = "iniconfig: brain-dead simple config-ini parsing"
 name = "iniconfig"
+version = "1.0.1"
+description = "iniconfig: brain-dead simple config-ini parsing"
+category = "dev"
 optional = false
 python-versions = "*"
-version = "1.0.1"
 
 [[package]]
-category = "main"
-description = "Jinxed Terminal Library"
-marker = "platform_system == \"Windows\""
 name = "jinxed"
+version = "1.0.1"
+description = "Jinxed Terminal Library"
+category = "main"
 optional = false
 python-versions = "*"
-version = "1.0.1"
 
 [package.dependencies]
-ansicon = "*"
+ansicon = {version = "*", markers = "platform_system == \"Windows\""}
 
 [[package]]
-category = "dev"
-description = "More routines for operating on iterables, beyond itertools"
 name = "more-itertools"
+version = "8.5.0"
+description = "More routines for operating on iterables, beyond itertools"
+category = "dev"
 optional = false
 python-versions = ">=3.5"
-version = "8.5.0"
 
 [[package]]
-category = "dev"
-description = "Core utilities for Python packages"
 name = "packaging"
+version = "20.4"
+description = "Core utilities for Python packages"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "20.4"
 
 [package.dependencies]
 pyparsing = ">=2.0.2"
 six = "*"
 
 [[package]]
-category = "main"
-description = "Pexpect allows easy control of interactive console applications."
-marker = "sys_platform == \"linux\" or platform_system == \"Linux\""
 name = "pexpect"
+version = "4.8.0"
+description = "Pexpect allows easy control of interactive console applications."
+category = "main"
 optional = false
 python-versions = "*"
-version = "4.8.0"
 
 [package.dependencies]
 ptyprocess = ">=0.5"
 
 [[package]]
-category = "dev"
-description = "plugin and hook calling mechanisms for python"
 name = "pluggy"
+version = "0.13.1"
+description = "plugin and hook calling mechanisms for python"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "0.13.1"
 
 [package.dependencies]
-[package.dependencies.importlib-metadata]
-python = "<3.8"
-version = ">=0.12"
+importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
 
 [package.extras]
 dev = ["pre-commit", "tox"]
 
 [[package]]
-category = "main"
-description = "Cross-platform lib for process and system monitoring in Python."
-marker = "sys_platform == \"win32\" or sys_platform == \"win32\" and platform_system == \"Windows\" or platform_system == \"Windows\""
 name = "psutil"
+version = "5.7.2"
+description = "Cross-platform lib for process and system monitoring in Python."
+category = "main"
 optional = false
 python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "5.7.2"
 
 [package.extras]
 test = ["ipaddress", "mock", "unittest2", "enum34", "pywin32", "wmi"]
 
 [[package]]
-category = "main"
-description = "Run a subprocess in a pseudo terminal"
-marker = "sys_platform == \"linux\" or sys_platform == \"linux\" and platform_system == \"Linux\" or platform_system == \"Linux\""
 name = "ptyprocess"
+version = "0.6.0"
+description = "Run a subprocess in a pseudo terminal"
+category = "main"
 optional = false
 python-versions = "*"
-version = "0.6.0"
 
 [[package]]
-category = "dev"
-description = "library with cross-python path, ini-parsing, io, code, log facilities"
 name = "py"
+version = "1.10.0"
+description = "library with cross-python path, ini-parsing, io, code, log facilities"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "1.9.0"
 
 [[package]]
-category = "dev"
-description = "Python parsing module"
 name = "pyparsing"
+version = "2.4.7"
+description = "Python parsing module"
+category = "dev"
 optional = false
 python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
-version = "2.4.7"
 
 [[package]]
-category = "dev"
-description = "pytest: simple powerful testing with Python"
 name = "pytest"
+version = "6.0.2"
+description = "pytest: simple powerful testing with Python"
+category = "dev"
 optional = false
 python-versions = ">=3.5"
-version = "6.0.2"
 
 [package.dependencies]
-atomicwrites = ">=1.0"
+atomicwrites = {version = ">=1.0", markers = "sys_platform == \"win32\""}
 attrs = ">=17.4.0"
-colorama = "*"
+colorama = {version = "*", markers = "sys_platform == \"win32\""}
+importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
 iniconfig = "*"
 more-itertools = ">=4.0.0"
 packaging = "*"
@@ -248,88 +240,77 @@ pluggy = ">=0.12,<1.0"
 py = ">=1.8.2"
 toml = "*"
 
-[package.dependencies.importlib-metadata]
-python = "<3.8"
-version = ">=0.12"
-
 [package.extras]
-checkqa_mypy = ["mypy (0.780)"]
+checkqa_mypy = ["mypy (==0.780)"]
 testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "requests", "xmlschema"]
 
 [[package]]
-category = "main"
-description = "Python for Window Extensions"
-marker = "sys_platform == \"win32\" or sys_platform == \"win32\" and platform_system == \"Windows\" or platform_system == \"Windows\""
 name = "pywin32"
+version = "228"
+description = "Python for Window Extensions"
+category = "main"
 optional = false
 python-versions = "*"
-version = "228"
 
 [[package]]
-category = "main"
-description = "Tool to Detect Surrounding Shell"
 name = "shellingham"
+version = "1.3.2"
+description = "Tool to Detect Surrounding Shell"
+category = "main"
 optional = false
 python-versions = "!=3.0,!=3.1,!=3.2,!=3.3,>=2.6"
-version = "1.3.2"
 
 [[package]]
-category = "main"
-description = "Python 2 and 3 compatibility utilities"
 name = "six"
+version = "1.15.0"
+description = "Python 2 and 3 compatibility utilities"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
-version = "1.15.0"
 
 [[package]]
-category = "dev"
-description = "Python Library for Tom's Obvious, Minimal Language"
 name = "toml"
+version = "0.10.1"
+description = "Python Library for Tom's Obvious, Minimal Language"
+category = "dev"
 optional = false
 python-versions = "*"
-version = "0.10.1"
 
 [[package]]
-category = "main"
-description = "Typer, build great CLIs. Easy to code. Based on Python type hints."
 name = "typer"
+version = "0.3.2"
+description = "Typer, build great CLIs. Easy to code. Based on Python type hints."
+category = "main"
 optional = false
 python-versions = ">=3.6"
-version = "0.3.2"
 
 [package.dependencies]
 click = ">=7.1.1,<7.2.0"
-
-[package.dependencies.colorama]
-optional = true
-version = ">=0.4.3,<0.5.0"
-
-[package.dependencies.shellingham]
-optional = true
-version = ">=1.3.0,<2.0.0"
+colorama = {version = ">=0.4.3,<0.5.0", optional = true, markers = "extra == \"all\""}
+shellingham = {version = ">=1.3.0,<2.0.0", optional = true, markers = "extra == \"all\""}
 
 [package.extras]
+test = ["pytest-xdist (>=1.32.0,<2.0.0)", "pytest-sugar (>=0.9.4,<0.10.0)", "mypy (==0.782)", "black (>=19.10b0,<20.0b0)", "isort (>=5.0.6,<6.0.0)", "shellingham (>=1.3.0,<2.0.0)", "pytest (>=4.4.0,<5.4.0)", "pytest-cov (>=2.10.0,<3.0.0)", "coverage (>=5.2,<6.0)"]
 all = ["colorama (>=0.4.3,<0.5.0)", "shellingham (>=1.3.0,<2.0.0)"]
 dev = ["autoflake (>=1.3.1,<2.0.0)", "flake8 (>=3.8.3,<4.0.0)"]
 doc = ["mkdocs (>=1.1.2,<2.0.0)", "mkdocs-material (>=5.4.0,<6.0.0)", "markdown-include (>=0.5.1,<0.6.0)"]
-test = ["pytest-xdist (>=1.32.0,<2.0.0)", "pytest-sugar (>=0.9.4,<0.10.0)", "mypy (0.782)", "black (>=19.10b0,<20.0b0)", "isort (>=5.0.6,<6.0.0)", "shellingham (>=1.3.0,<2.0.0)", "pytest (>=4.4.0,<5.4.0)", "pytest-cov (>=2.10.0,<3.0.0)", "coverage (>=5.2,<6.0)"]
 
 [[package]]
-category = "main"
-description = "Measures the displayed width of unicode strings in a terminal"
 name = "wcwidth"
+version = "0.2.5"
+description = "Measures the displayed width of unicode strings in a terminal"
+category = "main"
 optional = false
 python-versions = "*"
-version = "0.2.5"
 
 [[package]]
-category = "main"
-description = "Windows alternative of pexpect"
-marker = "sys_platform == \"win32\" or platform_system == \"Windows\""
 name = "wexpect"
+version = "4.0.1.dev4"
+description = "Windows alternative of pexpect"
+category = "main"
 optional = false
 python-versions = "*"
-version = "4.0.1.dev4"
+develop = true
 
 [package.dependencies]
 psutil = ">=5.0.0"
@@ -339,26 +320,26 @@ pywin32 = ">=220"
 test = ["coverage", "tox", "setuptools (>=38.0)", "codecov", "twine", "pyinstaller"]
 
 [package.source]
-reference = "c8977d8460956d265975fac5fbcd101f2e94c13f"
 type = "git"
 url = "https://github.com/raczben/wexpect.git"
+reference = "c8977d8460956d265975fac5fbcd101f2e94c13f"
+
 [[package]]
-category = "dev"
-description = "Backport of pathlib-compatible object wrapper for zip files"
-marker = "python_version < \"3.8\""
 name = "zipp"
+version = "3.2.0"
+description = "Backport of pathlib-compatible object wrapper for zip files"
+category = "dev"
 optional = false
 python-versions = ">=3.6"
-version = "3.2.0"
 
 [package.extras]
 docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
-testing = ["pytest (>=3.5,<3.7.3 || >3.7.3)", "pytest-checkdocs (>=1.2.3)", "pytest-flake8", "pytest-cov", "jaraco.test (>=3.2.0)", "jaraco.itertools", "func-timeout", "pytest-black (>=0.3.7)", "pytest-mypy"]
+testing = ["pytest (>=3.5,!=3.7.3)", "pytest-checkdocs (>=1.2.3)", "pytest-flake8", "pytest-cov", "jaraco.test (>=3.2.0)", "jaraco.itertools", "func-timeout", "pytest-black (>=0.3.7)", "pytest-mypy"]
 
 [metadata]
-content-hash = "40c7be07bca6c51d8b95500e68cd11d143c7b982b625b7921e865c6c9d55aef5"
-lock-version = "1.0"
+lock-version = "1.1"
 python-versions = ">=3.6,<4"
+content-hash = "98870d05830f493f2d4a706951eae6afbea631d6f80c18e798922b3876af58a6"
 
 [metadata.files]
 ansicon = [
@@ -450,8 +431,8 @@ ptyprocess = [
     {file = "ptyprocess-0.6.0.tar.gz", hash = "sha256:923f299cc5ad920c68f2bc0bc98b75b9f838b93b599941a6b63ddbc2476394c0"},
 ]
 py = [
-    {file = "py-1.9.0-py2.py3-none-any.whl", hash = "sha256:366389d1db726cd2fcfc79732e75410e5fe4d31db13692115529d34069a043c2"},
-    {file = "py-1.9.0.tar.gz", hash = "sha256:9ca6883ce56b4e8da7e79ac18787889fa5206c79dcc67fb065376cd2fe03f342"},
+    {file = "py-1.10.0-py2.py3-none-any.whl", hash = "sha256:3b80836aa6d1feeaa108e046da6423ab8f6ceda6468545ae8d02d9d58d18818a"},
+    {file = "py-1.10.0.tar.gz", hash = "sha256:21b81bda15b66ef5e1a777a21c4dcd9c20ad3efd0b3f817e7a809035269e1bd3"},
 ]
 pyparsing = [
     {file = "pyparsing-2.4.7-py2.py3-none-any.whl", hash = "sha256:ef9d7589ef3c200abe66653d3f1ab1033c3c419ae9b9bdb1240a85b024efc88b"},