Use a library for get annotations from classes of type
'EnumTablesRelation'. Closed #2

- All classes received the apropriated namespace
- Added dependence of tokenizer to composer.json
- Rename directory interface to interfaces
- Modify annotation 'of_table' to 'from_table', moke more sense by sql
  programming language
- Annotation style has changed
- added composer.lock
- phpunit.xml now works correctly