Issue 43: 2.10 version introduces a keyboard layout problem

o From the author:

  I have a fix for the French and Swiss keyboard layout issues.  There
  was also a typo in the encoding of unicode characters that prevented
  from typing the Euro sign.  Attached is my patch.

shellinabox/shell_in_a_box.js

@@ -267,16 +267,16 @@ ShellInABox.prototype.keysPressed = function(ch) {
     } else if (c < 0x10000) {
       s += 'E'                                 +
            hex.charAt(       (c >> 12)       ) +
-           hex.charAt(0x8 +  (c >> 10) & 0x3 ) +
+           hex.charAt(0x8 + ((c >> 10) & 0x3)) +
            hex.charAt(       (c >>  6) & 0xF ) +
            hex.charAt(0x8 + ((c >>  4) & 0x3)) +
            hex.charAt(        c        & 0xF );
     } else if (c < 0x110000) {
       s += 'F'                                 +
            hex.charAt(       (c >> 18)       ) +
-           hex.charAt(0x8 +  (c >> 16) & 0x3 ) +
+           hex.charAt(0x8 + ((c >> 16) & 0x3)) +
            hex.charAt(       (c >> 12) & 0xF ) +
-           hex.charAt(0x8 +  (c >> 10) & 0x3 ) +
+           hex.charAt(0x8 + ((c >> 10) & 0x3)) +
            hex.charAt(       (c >>  6) & 0xF ) +
            hex.charAt(0x8 + ((c >>  4) & 0x3)) +
            hex.charAt(        c        & 0xF );

shellinabox/vt100.js

@@ -2719,10 +2719,14 @@ VT100.prototype.handleKey = function(event) {
       case 189: /* -            */ ch = this.applyModifiers(45, event); break;
       case 190: /* .            */ ch = this.applyModifiers(46, event); break;
       case 191: /* /            */ ch = this.applyModifiers(47, event); break;
-      case 192: /* `            */ ch = this.applyModifiers(96, event); break;
+      // Conflicts with dead key " on Swiss keyboards
-      case 219: /* [            */ ch = this.applyModifiers(91, event); break;
+      //case 192: /* `            */ ch = this.applyModifiers(96, event); break;
+      // Conflicts with dead key " on Swiss keyboards
+      //case 219: /* [            */ ch = this.applyModifiers(91, event); break;
       case 220: /* \            */ ch = this.applyModifiers(92, event); break;
-      case 221: /* ]            */ ch = this.applyModifiers(93, event); break;
+      // Conflicts with dead key ^ and ` on Swiss keaboards
+      //                         ^ and " on French keyboards
+      //case 221: /* ]            */ ch = this.applyModifiers(93, event); break;
       case 222: /* '            */ ch = this.applyModifiers(39, event); break;
       default:                                                          return;
       }
@@ -2892,21 +2896,36 @@ VT100.prototype.keyDown = function(event) {
   this.lastKeyDownEvent         = undefined;
   this.lastNormalKeyDownEvent   = event;
 
+  // Swiss keyboard conflicts:
+  // [ 59
+  // ] 192
+  // ' 219 (dead key)
+  // { 220
+  // ~ 221 (dead key)
+  // } 223
+  // French keyoard conflicts:
+  // ~ 50 (dead key)
+  // } 107
   var asciiKey                  =
     event.keyCode ==  32                         ||
     event.keyCode >=  48 && event.keyCode <=  57 ||
     event.keyCode >=  65 && event.keyCode <=  90;
   var alphNumKey                =
     asciiKey                                     ||
+    event.keyCode ==  59 ||
     event.keyCode >=  96 && event.keyCode <= 105 ||
+    event.keyCode == 107 ||
+    event.keyCode == 192 ||
+    event.keyCode >= 219 && event.keyCode <= 221 ||
+    event.keyCode == 223 ||
     event.keyCode == 226;
   var normalKey                 =
     alphNumKey                                   ||
-    event.keyCode ==  59 || event.keyCode ==  61 ||
+    event.keyCode ==  61 ||
-    event.keyCode == 106 || event.keyCode == 107 ||
+    event.keyCode == 106 ||
     event.keyCode >= 109 && event.keyCode <= 111 ||
-    event.keyCode >= 186 && event.keyCode <= 192 ||
+    event.keyCode >= 186 && event.keyCode <= 191 ||
-    event.keyCode >= 219 && event.keyCode <= 223 ||
+    event.keyCode == 222 ||
     event.keyCode == 252;
   try {
     if (navigator.appName == 'Konqueror') {
@@ -3034,10 +3053,14 @@ VT100.prototype.keyUp = function(event) {
       this.catchModifiersEarly    = true;
       var asciiKey                =
         event.keyCode ==  32                         ||
-        event.keyCode >=  48 && event.keyCode <=  57 ||
+        // Conflicts with dead key ~ (code 50) on French keyboards
+        //event.keyCode >=  48 && event.keyCode <=  57 ||
+        event.keyCode >=  48 && event.keyCode <=  49 ||
+        event.keyCode >=  51 && event.keyCode <=  57 ||
         event.keyCode >=  65 && event.keyCode <=  90;
       var alphNumKey              =
         asciiKey                                     ||
+        event.keyCode ==  50                         ||
         event.keyCode >=  96 && event.keyCode <= 105;
       var normalKey               =
         alphNumKey                                   ||