More work on volfeatures. See details.

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.

src/zombiereloaded.sp

@@ -80,6 +80,7 @@
 #include "zr/zcookies"
 #include "zr/jumpboost"
 #include "zr/volfeatures/volfeatures"
+#include "zr/debugtools"
 
 /**
  * Record plugin info.
@@ -137,6 +138,7 @@ public OnMapStart()
     SEffectsOnMapStart();
     AntiStickOnMapStart();
     ZSpawnOnMapStart();
+    
 }
 
 /**