Implementing packing

- Replaced setup.py with setup.cfg
- created pyproject.toml
- updated changelog

CHANGELOG.md

@@ -3,6 +3,9 @@
 
 ## [0.1.4] - 2021-12-27
 - Changed arguments start_date and end_date to start and end to bring conformity with commom python data libraries like Quandl and pandas-datareader, for example.
+- bcb.currency.get multi argument, which refers to multivariate time series returned (defaults to True)
+- bcb.sgs.get groupby argument
+- Sphinx docs implemented
 
 ## [0.1.3] - 2021-04-14
 - BUG fix in get_valid_currency_list: recurrent ConnectionError

pyproject.toml

@@ -0,0 +1,9 @@
+[build-system]
+requires = [
+    "setuptools>=42",
+    "wheel",
+    "lxml",
+    "pandas",
+    "numpy"
+]
+build-backend = "setuptools.build_meta"

setup.cfg

@@ -0,0 +1,19 @@
+[metadata]
+name = python-bcb
+version = 0.1.4
+author = Wilson Freitas
+author_email = wilsonfreitas@gmail.com
+description = Python interface to Brazilian Central Bank web services
+long_description = file: README.md
+long_description_content_type = text/markdown
+url = https://github.com/wilsonfreitas/python-bcb
+project_urls =
+    Bug Tracker = https://github.com/wilsonfreitas/python-bcb/issues
+classifiers =
+    Programming Language :: Python :: 3
+    License :: OSI Approved :: MIT License
+    Operating System :: OS Independent
+
+[options]
+packages = find:
+python_requires = >=3.6