Added match date validator

Signed-off-by: 5Ub-Z3r0 <bitbucket@nikorasu.net>
Add support for adding, editing and deleting matches

Signed-off-by: 5Ub-Z3r0 <bitbucket@nikorasu.net>
Fixed tests for deleting matches

Signed-off-by: 5Ub-Z3r0 <bitbucket@nikorasu.net>