tests repaired; serious typo in the allocator fixed; fixes #32

lib/system/alloc.nim

@@ -561,7 +561,7 @@ proc alloc(allocator: var TMemRegion, size: int): pointer =
   result = cast[pointer](cast[TAddress](result) +% sizeof(TFreeCell))
 
 proc alloc0(allocator: var TMemRegion, size: int): pointer =
-  result = alloc(size)
+  result = alloc(allocator, size)
   zeroMem(result, size)
 
 proc dealloc(allocator: var TMemRegion, p: pointer) =

lib/wrappers/gtk/glib2.nim

@@ -4501,3 +4501,7 @@ proc G_TYPE_VALUE_ARRAY*(): GType =
 
 proc G_TYPE_GSTRING*(): GType = 
   result = g_gstring_get_type()
+  
+proc g_thread_init*(vtable: pointer) {.
+  cdecl, dynlib: gobjectlib, importc: "g_thread_init".}
+

lib/wrappers/gtk/gtk2.nim

@@ -16872,6 +16872,9 @@ proc set_do_overwrite_confirmation*(chooser: PFileChooser,
 proc get_realized*(w: PWidget): gboolean {.cdecl, dynlib: lib,
                                            importc: "gtk_widget_get_realized".}
 
+proc set_skip_taskbar_hint*(window: PWindow, setting: gboolean){.cdecl,
+  dynlib: lib, importc: "gtk_window_set_skip_taskbar_hint".}
+
 proc nimrod_init*() = 
   var 
     cmdLine{.importc: "cmdLine".}: array[0..255, cstring]