Optimized the serialization of module definitions to remove the *required* property if it's an empty array (this was occurring with modules generated from JST files).
Reducing the size of the scrunched header comment for UIZE modules.
Updated various code to support module definitions that are just a string, as a short form means of declaring purely namespace modules.
Optimized the serialization of purely namespace modules (ie. where the module definition contains only a name property).