v0.2.0

Feature highlights

• New plots module to display the cross section properties and its internal loads using Matplotlib methods;
• New examples package and sphinx/readthedocs documentation;
• Added EImax, EIMin and Principal direction angle to section summary;
• Multiple code documentation (docstring) improvements;

Main bug fixes:

• Fixed a bug incorrectly calculating Nxy for sections with booms;
• Fixed singular matrix cases when using Shear Connectors.