Allows column of ->match() criteria to be empty (using all columns) or an array (matching specified columns).
Adding ->match('*', ) option, and restoring backward compatibility with PHP 5.3
Merge pull request #12 from FindTheBest/feature-match-dev

Support for matching against multiple (or all) fulltext fields
Removed double spaces in docblocks
Giving PHP highlighting to examples
Fixes to readme
Formatting to readme, adding to readme column array on match
Forcing keeping data directory in tests
Expression support for MATCH value
Documented expression support for MATCH value