Add code to load equipment by country instead of a big equipment file, and indexes to easier sorting
Add by country equipment files
Fixed memory consumption of equipment array. Made Equipment a module.
Removed no longer used equipment object instance
Load and use the new equipment module in gamestate and scenarioloader
Use new Equipment module
Fixed object pointer bug in render that was pointing to previous instance of map.
Add sorting and indexing to equipment functions. Also closes #27
Use new Equipment module functions to display units. Sort by cost. Also closes #28