Implemented disk reading once lsh limit is reached

Also now writing lsh tables to ../tmp/lsh subdirectory, in case other
stuff is being written to tmp
Added teardown for tmp/lsh
added parsing string representations of fingerprints
Merge branch 'denizDevelopment' of https://github.com/ckolek/musicID into development
added handling in writing for fingerprints which already existed in the LSH table
Merge pull request #29 from ckolek/denizDevelopment

Implemented disk reading once lsh limit is reached