Finished base event handler for volfeatures.
Finished zr_voladd, zr_vol_remove, zr_vol_list and zr_vol_dumpstates console commands.
Removed unused function call in class module.
Fixed minior bugs in parameter parser (paramtools.inc).
Made a debug tools module with console commands for directly testing certain functions.
Made CVARs for volumetric features module.
Made trigger delay attribute for volumes, per player. Count down for n seconds after when a player enter. When leaving a volume trigger delay is aborted.
Made parameter parsing functions; paramtools.inc.
Made functions for setting and parsing generic volume attributes.
Updated header in files to volumetric features and paramtools.inc.
Removed unused knockback functions in zadmin.inc.
Made certain class functions into stock functions.
