Update python library and all the patterns that use it.  Split color utils into separate file.
Rename python library object to opc.Client
Add a simple speed test.
Add .obj file reader and writer.
Delete main().
Add a simple .obj file viewer.
Remove unnecessary vector arithmetic code.
Fix memory leak.
Add objtest.c.
Merge pull request #11 from longears/new_client

Update python library and everything that uses it