diff --git a/common/content/contexts.js b/common/content/contexts.js
index 2b4dace4..c2a9806a 100644
--- a/common/content/contexts.js
+++ b/common/content/contexts.js
@@ -103,6 +103,7 @@ var Group = Class("Group", {
             memoize(Group.prototype, name, function () {
                 let group = constructor(this);
                 this.hives.push(group);
+                delete contexts.groups;
                 return group;
             });
 
@@ -126,7 +127,7 @@ var Contexts = Module("contexts", {
 
         this.builtin = this.addGroup("builtin", "Builtin items");
         this.user = this.addGroup("user", "User-defined items", null, true);
-        this.builtinGroups = [this.system, this.user];
+        this.builtinGroups = [this.builtin, this.user];
     },
 
     destroy: function () {
@@ -157,11 +158,16 @@ var Contexts = Module("contexts", {
     get hives() Group.hiveMap,
 
     addGroup: function addGroup(name, description, filter, persist, replace) {
+        let group = this.getGroup(name);
+        if (group)
+            name = group.name;
+
         if (replace)
             this.removeGroup(name);
 
-        let group = this.groupMap[name];
-        if (!group) {
+        if (!group || replace) {
+            dactyl.assert(name !== "default", "Illegal group name");
+
             group = Group(name, description, filter, persist);
             this.groupList.unshift(group);
             this.groupMap[name] = group;
@@ -183,6 +189,7 @@ var Contexts = Module("contexts", {
         dactyl.assert(!group || !group.builtin, "Cannot remove builtin group");
 
         if (group) {
+            name = group.name;
             this.groupList.splice(this.groupList.indexOf(group), 1);
             group.cleanup();
             group.destroy();
@@ -201,7 +208,7 @@ var Contexts = Module("contexts", {
         if (name === "default")
             var group = this.context && this.context.context && this.context.context.GROUP;
         else
-            group = array.nth(this.groupList, function (h) h.name == name, 0) || null;
+            group = set.has(this.groupMap, name) && this.groupMap[name];
 
         if (group && hive)
             return group[hive];
diff --git a/common/content/dactyl.js b/common/content/dactyl.js
index ee2c9b3a..70488de8 100644
--- a/common/content/dactyl.js
+++ b/common/content/dactyl.js
@@ -1031,7 +1031,7 @@ var Dactyl = Module("dactyl", XPCOM(Ci.nsISupportsWeakReference, ModuleBase), {
         get: function globalVariables() this._globalVariables
     }),
 
-    loadPlugins: function (args) {
+    loadPlugins: function (args, force) {
         function sourceDirectory(dir) {
             dactyl.assert(dir.isReadable(), "E484: Can't open file " + dir.path);
 
@@ -1042,7 +1042,7 @@ var Dactyl = Module("dactyl", XPCOM(Ci.nsISupportsWeakReference, ModuleBase), {
                 loadplugins = { __proto__: loadplugins, value: args.map(Option.parseRegexp) }
 
             dir.readDirectory(true).forEach(function (file) {
-                if (file.isFile() && loadplugins.getKey(file.path) && !(file.path in dactyl.pluginFiles)) {
+                if (file.isFile() && loadplugins.getKey(file.path) && !(!force && file.path in dactyl.pluginFiles)) {
                     try {
                         io.source(file.path);
                         dactyl.pluginFiles[file.path] = true;
@@ -1756,10 +1756,11 @@ var Dactyl = Module("dactyl", XPCOM(Ci.nsISupportsWeakReference, ModuleBase), {
         commands.add(["loadplugins", "lpl"],
             "Load all plugins immediately",
             function (args) {
-                dactyl.loadPlugins(args.length ? args : null);
+                dactyl.loadPlugins(args.length ? args : null, args.bang);
             },
             {
                 argCount: "*",
+                bang: true,
                 keepQuotes: true,
                 serialGroup: 10,
                 serialize: function ()  [
diff --git a/common/content/events.js b/common/content/events.js
index 71fef679..bdef70e8 100644
--- a/common/content/events.js
+++ b/common/content/events.js
@@ -38,8 +38,6 @@ var ProcessorStack = Class("ProcessorStack", {
     },
 
     execute: function execute(result, force) {
-        function dbg() {}
-
         if (force && this.actions.length)
             this.processors.length = 0;
 
@@ -71,15 +69,15 @@ var ProcessorStack = Class("ProcessorStack", {
         else if (result === undefined)
             result = Events.PASS;
 
-        dbg("RESULT: " + (result === Events.KILL  ? "KILL"  :
-                          result === Events.PASS  ? "PASS"  :
-                          result === Events.ABORT ? "ABORT" : result));
+        events.dbg("RESULT: " + (result === Events.KILL  ? "KILL"  :
+                                 result === Events.PASS  ? "PASS"  :
+                                 result === Events.ABORT ? "ABORT" : result));
 
         if (result !== Events.PASS)
             Events.kill(this.events[this.events.length - 1]);
 
         if (result === Events.PASS || result === Events.ABORT) {
-            let list = this.events.filter(function (e) e.getPreventDefault());
+            let list = this.events.filter(function (e) e.getPreventDefault() && !e.dactylDefaultPrevented);
             if (list.length)
                 events.dbg("REFEED: " + list.map(events.closure.toString).join(""));
 
@@ -102,8 +100,6 @@ var ProcessorStack = Class("ProcessorStack", {
     },
 
     process: function process(event) {
-        function dbg() {}
-
         if (this.timer)
             this.timer.cancel();
 
@@ -115,15 +111,15 @@ var ProcessorStack = Class("ProcessorStack", {
         let actions = [];
         let processors = [];
 
-        dbg("\n\n");
-        dbg("KEY: " + key + " skipmap: " + event.skipmap + " macro: " + event.isMacro);
+        events.dbg("\n\n");
+        events.dbg("KEY: " + key + " skipmap: " + event.skipmap + " macro: " + event.isMacro);
 
         for (let [i, input] in Iterator(this.processors)) {
             let res = input.process(event);
             if (res !== Events.ABORT)
                 var result = res;
 
-            dbg("RES: " + input + " " + (callable(res) ? {}.toString.call(res) : res));
+            events.dbg("RES: " + input + " " + (callable(res) ? {}.toString.call(res) : res));
 
             if (res === Events.KILL)
                 break;
@@ -139,9 +135,9 @@ var ProcessorStack = Class("ProcessorStack", {
                 processors.push(input);
         }
 
-        dbg("RESULT: " + (callable(result) ? {}.toString.call(result) : result) + " " + event.getPreventDefault());
-        dbg("ACTIONS: " + actions.length + " " + this.actions.length);
-        dbg("PROCESSORS:", processors);
+        events.dbg("RESULT: " + (callable(result) ? {}.toString.call(result) : result) + " " + event.getPreventDefault());
+        events.dbg("ACTIONS: " + actions.length + " " + this.actions.length);
+        events.dbg("PROCESSORS:", processors);
 
         this._actions = actions;
         this.actions = actions.concat(this.actions);