Disabled pry pager because we are on Windows.
Keep track of loaded modules.
Started implementing core model.
Started implementing mongo storage.
Refactored core module into multiple files.
Fixed model field management.
Added event registry and item cache classes.
Restructured source files and added autoloading.
Model fields are now inherited by subclasses.
Added classes for testing event management.
Started implementing event reference, dependency and action management.