Address feedback matt

[patrick-reinhard]

Changes:

• Bump version to 0.5.0
• Dunder methods for Curve
• Add additional tests
• curve.to_basis() with categorical data
• Ability to pass URL toProject.from_las()
• Ability to remap depth mnemonic curve on Project.from_las() and Well.from_las() with remap={'DEPT' : 'DEPTH'}
• Implement Well.read_las() Project.read_las() and welly.read_las()
• Implement welly.read_df() Well.read_df()