Numerous updates to text interface and main menu
Implemented prompt functions for game type, launch mode, filter type and sorting options
Updated prompts for searching for mods and random mod selection
Implemented support for running game without mods
Fixed launch mode and game type variables not being properly updated
Added accessor functions for selected team and author in OrganizedModCollection
Added function to change the sort type and direction in OrganizedModCollection to prevent an extra unnecessary sort
Tweaked various functions in OrganizedModCollection to change related internal variables when appropriate
Added context checks for whenever an attempt is made to change the sort type
Fixed mod collection not being re-organized when a team or author is selected or cleared
Fixed a crash for mods with no teams when filtering by teams
Changed around some program arguments and command names
Added utility function for clearing the console window
Added context check function to ModSortType to determine if the specified sort type is allowed
Fixed ModCollection not being generic, as was intended
Added game name property to mod collection
Fixed a typo in the DOSBox setup script