Memoizing regexes for faster reuse
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.
Postal Codes: Removed memoization because it didn't help much.
Language code localization: simplified methods
Merge pull request #32 from radzinzki/master

Memoizing regexes in Postal Codes.