ArcDPS bindings v0.9.3

• Add new ArcDPS exports add_event_combat and list_extension
• Add new EVTC StateChange variants IdleEvent and ExtensionCombat
• Log error/warn level to both window & file by default
• Expose d3d_version and dxgi_swap_chain
• Add functions to check for presence of exports, for example has_e3_log_file
• Fix missing nul byte in error string
• Documentation improvements