Added PHP and extension requirements.
Merge pull request #1 from cpliakas/requirements

Added PHP and extension requirements
Fixed PSR-2 coding standards violations.
adding license
Merge branch 'master' of github.com:baliame/baliame-utils
Merge pull request #3 from cpliakas/psr2

PSR-2 coding standards violations
fixing README readability
adding MIT license definition for composer