Replaced the Unicode-to-(image|shortcode) algorithm
Replaced the shortcode-to-image algorithm
Replaced the ascii-to-image algorithm
Fixed the shortcode regexp. Only ASCII smileys should check their surrounding characters, as per original implementation
Replaced tabs to spaces to match the original coding style
Changed whitespace to match the original coding style
Tweaked $asciiRegexp declaration. No functional change intended
Slightly optimized $asciiRegexp by taking advantage of case-insensitivity
Fixed missing support for :+1: and :-1:
Fixed an egregious typo
Fixed left-over code from a previous copy/paste
Merge pull request #4 from s9e/100x

Greatly improve the performance of the PHP implementation