fixing paths
fixing scopes
Removing dumb file
Searching parent node_modules's folders recursively.
Showing better error when module is not found.
Implementing global mappings (could be removed again).
Mimicking nodes about handling `module` variable as an object
Aborting del resolution when file path is null (not found)
Checking if there's a package.json present before trying to read it
Renaming mods variable to plugins