Move sphinx dep from reqs-dev to tox docs deps

Adds `sequence` util function

Refactors _file_processor into a single function

Removes path support

This resolves issue [#46](#46)

Creates modules undebt.pattern.lang and undebt.pattern.lang.python

Allows patterns to be specified as module names

Removes multiprocessing CLI option

Removes directory traversal

v0.3.0 release

v0.2.3 release

v0.2.2 release