Supress the default "file not found" warning for database/migration/.history. We already handle it internally with an exception
Undo last commit.
Check for file existence instead of suppressing
Create .history file if it does not exist instead of throwing exception.
Also handle the case when touch() is unsuccessful
Introduce a $touched variable
Move actions outside of if
Merge pull request #226 from bugos/migr_file_not_found

Prevent "file not found" warnings on Migrationrun