Adding testing framework

Signed-off-by: Jeremy Massel <jeremy@ignitionmedia.ca>
Disabling pluginWillBeDeleted for now - it's failing us

Signed-off-by: Jeremy Massel <jeremy@ignitionmedia.ca>
Ignore the `wordpress` folder in the root

Signed-off-by: Jeremy Massel <jeremy@ignitionmedia.ca>
Adding test suite

Signed-off-by: Jeremy Massel <jeremy@ignitionmedia.ca>
Adding the ability to use closures with add_action

Also adding priority in case you need it

Signed-off-by: Jeremy Massel <jeremy@ignitionmedia.ca>
Return the value of ajax calls

Important for testing, possibly not so much for anything else

Signed-off-by: Jeremy Massel <jeremy@ignitionmedia.ca>
Prevent serialization - we don't want to be able to serialize something then not be able to unserialize it later

Signed-off-by: Jeremy Massel <jeremy@ignitionmedia.ca>