Index: gc_core/js/helpers.js
==================================================================
--- gc_core/js/helpers.js
+++ gc_core/js/helpers.js
@@ -3,96 +3,103 @@
 
 "use strict";
 
 // In Firefox, there is no console.log in PromiseWorker, but there is worker.log.
 // In Thunderbird, you can’t access to console directly. So it’s required to pass a log function.
-let funcOutput = null;
-
-function setLogOutput (func) {
-    funcOutput = func;
-}
-
-function echo (obj) {
-    if (funcOutput !== null) {
-        funcOutput(obj);
-    } else {
-        console.log(obj);
-    }
-    return true;
-}
-
-function logerror (e, bStack=false) {
-    let sMsg = "\n" + e.fileName + "\n" + e.name + "\nline: " + e.lineNumber + "\n" + e.message;
-    if (bStack) {
-        sMsg += "\n--- Stack ---\n" + e.stack;
-    }
-    if (funcOutput !== null) {
-        funcOutput(sMsg);
-    } else {
-        console.error(sMsg);
-    }
-}
-
-function inspect (o) {
-    let sMsg = "__inspect__: " + typeof o;
-    for (let sParam in o) {
-        sMsg += "\n" + sParam + ": " + o.sParam;
-    }
-    sMsg += "\n" + JSON.stringify(o) + "\n__end__";
-    echo(sMsg);
-}
-
-
-// load ressources in workers (suggested by Mozilla extensions reviewers)
-// for more options have a look here: https://gist.github.com/Noitidart/ec1e6b9a593ec7e3efed
-// if not in workers, use sdk/data.load() instead
-function loadFile (spf) {
-    try {
-        let xRequest;
-        if (typeof XMLHttpRequest !== "undefined") {
-            xRequest = new XMLHttpRequest();
-        }
-        else {
-            // JS bullshit again… necessary for Thunderbird
-            let { Cc, Ci } = require("chrome");
-            xRequest = Cc["@mozilla.org/xmlextras/xmlhttprequest;1"].createInstance();
-            xRequest.QueryInterface(Ci.nsIXMLHttpRequest);
-        }
-        xRequest.open('GET', spf, false); // 3rd arg is false for synchronous, sync is acceptable in workers
-        xRequest.send();
-        return xRequest.responseText;
-    }
-    catch (e) {
-        logerror(e);
-        return null
-    }
-}
-
-
-// conversions
-function objectToMap (obj) {
-    let m = new Map();
-    for (let param in obj) {
-        //console.log(param + " " + obj[param]);
-        m.set(param, obj[param]);
-    }
-    return m;
-}
-
-function mapToObject (m) {
-    let obj = {};
-    for (let [k, v] of m) {
-        obj[k] = v;
-    }
-    return obj;
-}
-
-
-if (typeof(exports) !== 'undefined') {
-    exports.setLogOutput = setLogOutput;
-    exports.echo = echo;
-    exports.logerror = logerror;
-    exports.inspect = inspect;
-    exports.loadFile = loadFile;
-    exports.objectToMap = objectToMap;
-    exports.mapToObject = mapToObject;
+var funcOutput = null;
+
+var helpers = {
+    setLogOutput: function (func) {
+        try {
+            funcOutput = func;
+        }
+        catch (e) {
+            func(e);
+            console.error(e);
+        }
+    },
+
+    echo: function (obj) {
+        if (funcOutput !== null) {
+            funcOutput(obj);
+        } else {
+            console.log(obj);
+        }
+        return true;
+    },
+
+    logerror: function (e, bStack=false) {
+        let sMsg = "\n" + e.fileName + "\n" + e.name + "\nline: " + e.lineNumber + "\n" + e.message;
+        if (bStack) {
+            sMsg += "\n--- Stack ---\n" + e.stack;
+        }
+        if (funcOutput !== null) {
+            funcOutput(sMsg);
+        } else {
+            console.error(sMsg);
+        }
+    },
+
+    inspect: function (o) {
+        let sMsg = "__inspect__: " + typeof o;
+        for (let sParam in o) {
+            sMsg += "\n" + sParam + ": " + o.sParam;
+        }
+        sMsg += "\n" + JSON.stringify(o) + "\n__end__";
+        this.echo(sMsg);
+    },
+
+    loadFile: function (spf) {
+        // load ressources in workers (suggested by Mozilla extensions reviewers)
+        // for more options have a look here: https://gist.github.com/Noitidart/ec1e6b9a593ec7e3efed
+        // if not in workers, use sdk/data.load() instead
+        try {
+            let xRequest;
+            if (typeof XMLHttpRequest !== "undefined") {
+                xRequest = new XMLHttpRequest();
+            }
+            else {
+                // JS bullshit again… necessary for Thunderbird
+                let { Cc, Ci } = require("chrome");
+                xRequest = Cc["@mozilla.org/xmlextras/xmlhttprequest;1"].createInstance();
+                xRequest.QueryInterface(Ci.nsIXMLHttpRequest);
+            }
+            xRequest.open('GET', spf, false); // 3rd arg is false for synchronous, sync is acceptable in workers
+            xRequest.send();
+            return xRequest.responseText;
+        }
+        catch (e) {
+            this.logerror(e);
+            return null
+        }
+    },
+
+    // conversions
+    objectToMap: function (obj) {
+        let m = new Map();
+        for (let param in obj) {
+            //console.log(param + " " + obj[param]);
+            m.set(param, obj[param]);
+        }
+        return m;
+    },
+
+    mapToObject: function (m) {
+        let obj = {};
+        for (let [k, v] of m) {
+            obj[k] = v;
+        }
+        return obj;
+    }
+}
+
+
+
+if (typeof(exports) !== 'undefined') {
+    exports.setLogOutput = helpers.setLogOutput;
+    exports.echo = helpers.echo;
+    exports.logerror = helpers.logerror;
+    exports.inspect = helpers.inspect;
+    exports.loadFile = helpers.loadFile;
+    exports.objectToMap = helpers.objectToMap;
+    exports.mapToObject = helpers.mapToObject;
 }

Index: gc_lang/fr/tb/content/overlay.js
==================================================================
--- gc_lang/fr/tb/content/overlay.js
+++ gc_lang/fr/tb/content/overlay.js
@@ -910,10 +910,11 @@
 }, false);
 
 window.addEventListener("load", function (xEvent) {
     oDictIgniter.init();
     oGrammarChecker.loadGC();
+    //oGrammarChecker.fullTests();
 }, false);
 
 window.addEventListener("compose-window-init", function (xEvent) {
     oGrammarChecker.loadUI();
     oGrammarChecker.closePanel();