v0.1.7a2 Release

• Move common/private functionality into core module
• Add some type hints for mypy
• Restructure tests to use pytest fixtures and parametrized tests
• Add make commands for building and publishing to PyPi

v0.1.7a1 Release

v0.1.7a1

• Update Beam.plot method to allow customization of plots generated
• Added tests for Beam.plot
• Added depreciation warning to Beam.bending_stress method
• Removed bending_stress parameter from Beam.plot method