Create WinMan module.
Remove HudMessage module.
Update tests.
Add (somewhat test) fonts.
Callback: Rename some things
Control: Improve font loading nonsense
Control: Make descendants have a head and tail pointer
Control: Move Lth_ControlCall to Callback
Control: Add Lth_ControlInit convenience macro
Context: Add scaled drawing
Context: Split into WinMan
Context: Fix trying to access a null pointer in Lth_ContextResource
Draw: Add more contextualized drawing functions
Font: Fully implement Unicode font rendering and loading
HashMap: Rename Lth_HashMapFree to Lth_HashMapDestroy
Window: Update code
LinkList: Rename Lth_LinkList* functions to Lth_List*
LinkList: Split Lth_LinkListInsert
LinkList: Add Lth_ListLinkTail
Control: Make controls associated with a context and font
Context: Fix mapped windows with unspecified position being placed wrong
Context: Fix mapped windows being added backwards
Draw: Fix rectangles being drawn wrong