updated lib
increased bid input box width
added sellable items treeview
added post result event
removed unused parent argument
added DisableSubmodules method for modules
enable/disable ah submodules
call module OnEnable even if it has been enabled before
only enable ah submodules if the window has to be created
fixed item post result test event
added last entered item sell price to save data
added basic sell item form (doesn't listen to events yet and looks awful but can be used to sell items)