Reorganized cvars.inc, organized all cvars into module groups (to be updated later), removed unused cvars, made classes and weapons core modules (event forwarding priority), updated spawn protect cvars, added cvars to disable weapons, restrict, and hitgroups

src/zr/playerclasses/playerclasses.inc

@@ -259,7 +259,7 @@ ClassLoad()
     kvClassData = CreateKeyValues("classes");
     
     decl String:classfile[256];
-    GetConVarString(gCvars[CVAR_CLASSES_FILE], classfile, sizeof(classfile));
+    GetConVarString(g_hCvarsList[CVAR_CLASSES_FILE], classfile, sizeof(classfile));
     
     // Try to load the class configuration file.
     decl String:path[PLATFORM_MAX_PATH];