Version 0.1.8

• Updated setup.py to be complete and added dependencies.
• Added support for Travis CI to test build, install, examples, and docs.
• Made SciPy and optional dependency.
• Linux/Mac installation now supported via conda and conda-forge.
• Added LICENSE file and EPL headers to each source file.
• Fixed some PY2/3 compatibility issues.
• Improved documentation formatting for Sphinx.
• Strings can be passed to addOption instead of bytes strings for Python 2 and
  3.