Add point and vector types
Add String() methods to point and vector
Add point distance tests
Merge branch 'master' into basic-types
Add vector Div(), Len() and Unit() methods
Add vector cross product test
Merge pull request #1 from chr1sj0nes/master

Update README.md
Shorten names of distance methods
Add line type with tests
Merge pull request #2 from chr1sj0nes/basic-types

Add point, vector and line