Renamed "WAC Aircraft/lua/WAC" to "WAC Aircraft/lua/wac".
(case-sensitivity fix)
Fixed file path for base_wire_entity.
(wiremod changed the path: https://github.com/wiremod/wire/commit/50c02e25de2d4575b98b736caf9e16d2e375454e)
Changed IsValid() call.
Merge branch 'master' of github.com:PotcFdk/wac