Write lib/func discovery macros into temp header
Rearrange the includes to mirror the projects
Be able to search for specific headers
Test using Pillow instead of PIL
`make` defaults to Cython-izing the sources

This makes the WesternX environment a little saner
Ignore some more non-packages for WesternX
fixed flushing buffered frames from the decoder
fix compiling ffmpeg and avconv
added seek method and test
Slight code formatting for new seek method
various seeking fixes
fix segfault for image2 formats
combined stream seek methods
allow unkown codecs
added LDFLAGS and CFLAGS overrides
release the gil on potentially blocking operations
exposed sws_getColorspaceDetails, sws_getCoefficients and sws_setColorspaceDetails
added colorspace conversion options
don't reformat if format matches
simplified __getbuffer__