Updated lib/tf-idf: cleaned up constructor
Removed Makefile
Updated .npmignore
Updated distance/hamming: Cleaned up
Removed dict/README
Updated .npmignore: Added dictionary files
Added phonetics/metaphone
Updated phonetics: Output is noew always lowercase
Updated benchmark: Added CLI args for suites
Added tests for phonetics/metaphone
Updated phonetics/metaphone: Fixed a few tiny bugs