Laying groundwork for accepting dirs
added computation of spectrograms to comparator algorithm
Updated README (acknowledgements + no longer .txt)
Add documentation
add support for MP3 files
Merge pull request #17 from ckolek/jeffDevelopment

Added file/directory support
Merge branch 'development' into chris_development
Merge pull request #18 from ckolek/chris_development

add support for MP3 files
recursively search symbolic links when getting file info
fix file extension extraction
fix error message formation
add __str__ and __repr__ methods to WaveDataFormat
hack: ignore chunk sizes to accomodate files converted by LAME
fix path for call to LAME
use find instead of index for substring search
Merge pull request #19 from ckolek/chris_development

Fixes for LAME and MP3 files
Getting full path name of each file in dirs
improved comparison algorithm to ensure strengths gotten from FFT correspond to equal frequencies, cut line lengths to <80 chars
remove hacks for chunk size
create temporary WAVE files with LAME