add Sys dummy fields

std/python/_std/Sys.hx

@@ -1,21 +1,87 @@
 import python.lib.Time;
 
 @:preCode("import sys")
+@:coreApi
 class Sys {
 
-	public static function time () {
+	public static function time():Float {
 		return Time.time()/1000;
 	}
 
-	public static function exit(code:Int) {
+	public static function exit(code:Int):Void {
 		python.lib.Sys.exit(code);
 	}
-	
-	public static function print(str:String) {
+
+	public static function print(v:Dynamic):Void {
+		var str = Std.string(v);
 		untyped __python__('sys.stdout.buffer.write(("%s"%str).encode(\'utf-8\'))');
 	}
-	
-	public static function println(str:String) {
+
+	public static function println(v:Dynamic):Void {
+		var str = Std.string(v);
 		untyped __python__('sys.stdout.buffer.write(("%s\\n"%str).encode(\'utf-8\'))');
 	}
+
+	public static function args() : Array<String> {
+		return [];
+	}
+
+	public static function getEnv( s : String ) : String {
+		return "";
+	}
+
+	public static function putEnv( s : String, v : String ) : Void {
+
+	}
+
+	public static function environment() : haxe.ds.StringMap<String> {
+		return new haxe.ds.StringMap();
+	}
+
+	public static function sleep( seconds : Float ) : Void {
+
+	}
+
+	public static function setTimeLocale( loc : String ) : Bool {
+		return false;
+	}
+
+	public static function getCwd() : String {
+		return "";
+	}
+
+	public static function setCwd( s : String ) : Void {
+	}
+
+	public static function systemName() : String {
+		return "";
+	}
+
+	public static function command( cmd : String, ?args : Array<String> ) : Int {
+		return 0;
+	}
+
+	public static function cpuTime() : Float {
+		return 0.0;
+	}
+
+	public static function executablePath() : String {
+		return "";
+	}
+
+	public static function getChar( echo : Bool ) : Int {
+		return 0;
+	}
+
+	public static function stdin() : haxe.io.Input {
+		return null;
+	}
+
+	public static function stdout() : haxe.io.Output {
+		return null;
+	}
+
+	public static function stderr() : haxe.io.Output {
+		return null;
+	}
 }