Fix Propel mapping for blob as longvarbinary.

Signed-off-by: Toha <tohenk@yahoo.com>
Accept tag propel:* for Propel based formatter.

Signed-off-by: Toha <tohenk@yahoo.com>
Validate column PHP name conflict with foreign table PHP name.

Signed-off-by: Toha <tohenk@yahoo.com>
Support propel behavior model comment.

Added dependency to Symfony YAML component.

Signed-off-by: Toha <tohenk@yahoo.com>
Update version to 2.1.3.

Signed-off-by: Toha <tohenk@yahoo.com>