Second release

- `addPrefixes` method added;
- some comments added;
First release
Some metods from PSR-0 and PSR-4 added
Second release
Tests added
Minor changes

- README modified;
Comments
Minor changes

- '\' is replaced with `DIRECTORY_SEPARATOR`;
Minor changes

- Version changed;
Minor changes

- Version changed;
Merge branch '1.1-psr0'
Merge branch '1.0-universal'
Merge branch '1.1-psr4'