Easier modification of form success return messages

0.2.1 (2013-07-03)

Features

• Added a method to easily change error statuses after validation methods are
  run
• Added a kwarg to json_validate to return the raw dictionary if desired

Bug Fixes

• Textarea template whitespace was causing undesirable rendering
• Updated the Button Node to use the proper template inheritence
• Modified insert_validator to accept iterables as the other insert function
  does
• Fixed a documentation bug giving the wrong attribute name for an action

Maintenance/Stability

• Wrote tests for all new features
• Expanded details in minor places in documentation
• Added checking on attribute name collisions with Nodes to make the mistakes
  easier to debug