Memoizing regexes for faster reuse
Merge pull request #31 from radzinzki/master

Ported over Language Code Localization functionality.
Fixed the hash iteratation in Postal Codes. Added memoization. Didn't update assets.
Merge branch 'postal_code_memoization'
Refactored code that was iterating over hashes. Updated some test descriptions. Updated Assets.