Changed threshold skew test, added warning for slightly skew quads

Added command line option to list all checks.

added check for invalid colours

added test for forbidden primitive scaling

added matrix all zero test

refactor

refactor

rename test

better handling of ldraw code

made errors prettier

Added code to run the test suite.

Commit work done on test loading

Condensed transform_to_xy

transform_to_xy implemented and concave test online

Got the skew test working

(0) -15 +15 +100 tip

mercurial