Added undeclared videos and fixed variable checking.
Added undeclared videos and fixed variable checking.

Videos now can be played without previous declaration.
Added checks so deleted resources variables don’t throw errors while
getting checked.

Monogatari/Monogatari,MonogatariVN/Monogatari,HyuchiaDiego/Monogatari,HyuchiaDiego/Monogatari,Tamakimouto/ah-now-i-see,MonogatariVN/Monogatari,Tamakimouto/ah-now-i-see