Fixed the default Precheck mode to use a valid class

... and prevent errors being thrown
Merge pull request #119 from real34/hotfix/invalid-precheck

Fixed the default Precheck mode to use a valid class
Fixed the default Precheck mode to use a valid class

... and prevent errors being thrown
fix callback message generation data
#117 Fix bug causing error at the moment of changing the column type
Fix readme, missing array key in alter_field example
#117 Change field type. Added extra condition to the change column type feature
Merge branch 'develop' into release/2.2.1
Merge branch 'release/2.2.1'
Minor change for php5 in Command/MigrationShell.php, removing an &
Merge branch 'hotfix/126-remove-assignment-by-reference'
Merge remote-tracking branch 'CakeDC/master'
Command when creating table is , not