minor cleanup
adds manual angle wrappers
adds manual Cartesian wrappers
adds copy constructor
Merge branch 'manual_copy_constructor' into manual_python_wrappers
adds angle copy constructor
removes deep copy tests
updates comment
adds string constructor exception test
updates angle and Cartesian constructors with better type checking
adds manual spherical coordinate wrappers
whitespace cleanup
comment cleanup
adds top level build script
adds Cartesian <-> spherical conversion constructors
synchronizes Python/Boost, Manual unit tests
Merge branch 'manual_python_wrappers'