Fix uglifyjs (v3) mangle-reserved flag
Fix uglifyjs (v3) mangle-reserved flag

povrazor/ludumdare,povrazor/ludumdare,zwrawr/ludumdare,povrazor/ludumdare,ludumdare/ludumdare,zwrawr/ludumdare,zwrawr/ludumdare,ludumdare/ludumdare,povrazor/ludumdare,zwrawr/ludumdare,ludumdare/ludumdare,ludumdare/ludumdare