Do not use short form of array declaration
Lower PHP version requirement to PHP5.3
Merge pull request #1 from 20th/php53

Make library compatible with PHP5.3
Fix bugs in example code in README.md
Merge pull request #2 from 20th/readme

Fix bugs in example code in README.md
More complete API support; Array and string entity representations.
Bugfix.
Comments rewrite.
Fixed declaration to satisfy Strict standards.