* 'version': ############## (unix timestamp),
* 'dependencies': ['required.foo', 'bar.also', ...], (or) function () {}
* 'group': 'somegroup', (or) null,
* 'source': 'local', 'someforeignwiki', (or) null
* 'state': 'registered', 'loaded', 'loading', 'ready', 'error' or 'missing'
* 'version': ############## (unix timestamp),
* 'dependencies': ['required.foo', 'bar.also', ...], (or) function () {}
* 'group': 'somegroup', (or) null,
* 'source': 'local', 'someforeignwiki', (or) null
* 'state': 'registered', 'loaded', 'loading', 'ready', 'error' or 'missing'