v0.1.6

• added support for all field types (#15)
  • added Field classes for all tableschema field types
  • cast functionality works for all latest spec features
  • require and enum constraints works for all field types
  • copied tests from tableschema-py (modified for latest specs)
• added automatic PHP code style check (+optional support for auto fixing)
• added update-schema script + updated the schema to latest specs
• added support for foreignKeys / primaryKey string fields (to match latest table schema)
• removed hhvm support - it's not needed and causes too much problems
• updated README to be more user friendly
• updated to latest specs
• removed the foreign keys hack (not needed with latest specs)
• table API feedback (#25)
  • hide datasource and schema object creation
  • infer schema when schema is ommitted
  • Table::headers method
  • Table::save method
  • Table::schema method
  • Table::read method
  • allow Schema to be constructed with array instead of object
• Schema API feedback (#26)
  • remove EditableSchema, use the normal Schema instead
  • allow to create field using json string or array
• ensured all constraints work (#20)
• minor fixes for full compliancy (#20)