2011-12-21 [mir] 0.6.0cvs56

2011-12-21 [mir]	0.6.0cvs56

	* src/callbacks.c
	* src/contactwindow.c
	* src/extension-loader.c
	* src/gtk-utils.c
	* src/plugin-loader.c
	* src/printing.c
	* src/utils.c
	* xmllib/parser.c
	    Improve public functions error resistens.