Add Date class.

Missing setXXX functions.

jsbuiltin.c

@@ -75,6 +75,7 @@ void jsB_init(js_State *J)
 	J->Boolean_prototype = jsV_newobject(J, JS_CBOOLEAN, J->Object_prototype);
 	J->Number_prototype = jsV_newobject(J, JS_CNUMBER, J->Object_prototype);
 	J->String_prototype = jsV_newobject(J, JS_CSTRING, J->Object_prototype);
+	J->Date_prototype = jsV_newobject(J, JS_CDATE, J->Object_prototype);
 
 	/* All the native error types */
 	J->Error_prototype = jsV_newobject(J, JS_CERROR, J->Object_prototype);
@@ -94,6 +95,7 @@ void jsB_init(js_State *J)
 	jsB_initstring(J);
 	jsB_initerror(J);
 	jsB_initmath(J);
+	jsB_initdate(J);
 
 	/* Initialize the global object */
 	js_pushnumber(J, NAN);

jsbuiltin.h

@@ -10,6 +10,7 @@ void jsB_initnumber(js_State *J);
 void jsB_initstring(js_State *J);
 void jsB_initerror(js_State *J);
 void jsB_initmath(js_State *J);
+void jsB_initdate(js_State *J);
 
 void jsB_propf(js_State *J, const char *name, js_CFunction cfun, int n);
 void jsB_propn(js_State *J, const char *name, double number);

jsi.h

@@ -97,6 +97,7 @@ struct js_State
 	js_Object *Boolean_prototype;
 	js_Object *Number_prototype;
 	js_Object *String_prototype;
+	js_Object *Date_prototype;
 
 	js_Object *Error_prototype;
 	js_Object *EvalError_prototype;