diff --git a/microscript/ILibDuktape_GenericMarshal.c b/microscript/ILibDuktape_GenericMarshal.c
index 8527079..2052bac 100644
--- a/microscript/ILibDuktape_GenericMarshal.c
+++ b/microscript/ILibDuktape_GenericMarshal.c
@@ -429,6 +429,42 @@ duk_ret_t ILibDuktape_GenericMarshal_Variable_pointerpointer(duk_context *ctx)
 	duk_put_prop_string(ctx, -2, "_ptrptr");										// [var][var2]
 	return(1);
 }
+#ifndef MICROSTACK_NOTLS
+duk_ret_t ILibDuktape_GenericMarshal_Variable_bignum_GET(duk_context *ctx)
+{
+	int16_t test = 0x0001;
+	int LE = ((char*)&test)[0] ? 1 : 0;
+
+	duk_push_this(ctx);														// [var]
+	void *ptr = Duktape_GetPointerProperty(ctx, -1, "_ptr");
+	uint64_t v = (uint64_t)(uintptr_t)ptr;
+	duk_eval_string(ctx, "require('bignum')");								// [var][bignum]
+	duk_prepare_method_call(ctx, -1, "fromBuffer");							// [var][bignum][fromBuffer][this]
+	duk_push_external_buffer(ctx);											// [var][bignum][fromBuffer][this][buffer]
+	duk_config_buffer(ctx, -1, &v, sizeof(v));
+	duk_push_buffer_object(ctx, -1, 0, sizeof(v), DUK_BUFOBJ_NODEJS_BUFFER);// [var][bignum][fromBuffer][this][buffer][nodebuffer]
+	duk_remove(ctx, -2);													// [var][bignum][fromBuffer][this][nodeBuffer]
+	duk_push_object(ctx);													// [var][bignum][fromBuffer][this][nodeBuffer][options
+	duk_push_string(ctx, LE ? "little" : "big");							// [var][bignum][fromBuffer][this][nodeBuffer][options][endian]
+	duk_put_prop_string(ctx, -2, "endian");
+	duk_call_method(ctx, 2);												// [var][bignum][bignum]
+	return(1);
+}
+duk_ret_t ILibDuktape_GenericMarshal_Variable_bignum_SET(duk_context *ctx)
+{
+	int16_t test = 0x0001;
+	int LE = ((char*)&test)[0] ? 1 : 0;
+
+	duk_prepare_method_call(ctx, 0, "toString");							// [toString][this]
+	duk_call_method(ctx, 0);												// [string]
+	uint64_t val = (uint64_t)strtoull((char*)duk_to_string(ctx, -1), NULL, 10);
+
+	duk_push_this(ctx);														// [var]
+	duk_push_pointer(ctx, (void*)(uintptr_t)val);							// [var][ptr]
+	duk_put_prop_string(ctx, -2, "_ptr");									// [var]
+	return(0);
+}
+#endif
 void ILibDuktape_GenericMarshal_Variable_PUSH(duk_context *ctx, void *ptr, int size)
 {
 	duk_push_object(ctx);						// [var]
@@ -441,7 +477,9 @@ void ILibDuktape_GenericMarshal_Variable_PUSH(duk_context *ctx, void *ptr, int s
 	duk_put_prop_string(ctx, -2, ILibDuktape_GenericMarshal_VariableType);
 
 	ILibDuktape_CreateEventWithGetterAndSetterEx(ctx, "Val", ILibDuktape_GenericMarshal_Variable_Val_GET, ILibDuktape_GenericMarshal_Variable_Val_SET);
-
+#ifndef MICROSTACK_NOTLS
+	ILibDuktape_CreateEventWithGetterAndSetterEx(ctx, "bignum", ILibDuktape_GenericMarshal_Variable_bignum_GET, ILibDuktape_GenericMarshal_Variable_bignum_SET);
+#endif
 	ILibDuktape_CreateInstanceMethod(ctx, "Deref", ILibDuktape_GenericMarshal_Variable_Deref, DUK_VARARGS);
 	ILibDuktape_CreateEventWithGetter(ctx, "String", ILibDuktape_GenericMarshal_Variable_Val_STRING);
 	ILibDuktape_CreateEventWithGetter(ctx, "AnsiString", ILibDuktape_GenericMarshal_Variable_Val_ASTRING);
diff --git a/microscript/ILibDuktape_ScriptContainer.c b/microscript/ILibDuktape_ScriptContainer.c
index 86509b7..e842945 100644
--- a/microscript/ILibDuktape_ScriptContainer.c
+++ b/microscript/ILibDuktape_ScriptContainer.c
@@ -1936,6 +1936,12 @@ duk_ret_t ILibDuktape_ScriptContainer_OS_hostname(duk_context *ctx)
 	}
 	return(1);
 }
+duk_ret_t ILibDuktape_ScriptContainer_OS_endianness(duk_context *ctx)
+{
+	int16_t test = 0x0001;
+	duk_push_string(ctx, ((char*)&test)[0] ? "LE" : "BE");
+	return(1);
+}
 duk_ret_t ILibDuktape_tmpdir(duk_context *ctx)
 {
 #ifdef WIN32
@@ -1967,6 +1973,7 @@ void ILibDuktape_ScriptContainer_OS_Push(duk_context *ctx, void *chain)
 
 	ILibDuktape_CreateInstanceMethod(ctx, "arch", ILibDuktape_ScriptContainer_OS_arch, 0);
 	ILibDuktape_CreateInstanceMethod(ctx, "platform", ILibDuktape_ScriptContainer_OS_platform, 0);
+	ILibDuktape_CreateInstanceMethod(ctx, "endianness", ILibDuktape_ScriptContainer_OS_endianness, 0);
 #if !defined(__APPLE__) && !defined(_FREEBSD)
 	ILibDuktape_CreateInstanceMethod(ctx, "networkInterfaces", ILibDuktape_ScriptContainer_OS_networkInterfaces, 0);
 #endif
@@ -2426,6 +2433,45 @@ void ILibDuktape_ScriptContainer_OS_Push(duk_context *ctx, void *chain)
 			child.waitExit();\
 			return(child.stdout.str.trim());\
 		};\
+	}\
+	exports.uptime = function uptime()\
+	{\
+		switch(process.platform)\
+		{\
+			case 'win32':\
+				var GM = require('_GenericMarshal');\
+				var kernel32 = GM.CreateNativeProxy('kernel32.dll');\
+				kernel32.CreateMethod('GetTickCount64');\
+				var v = kernel32.GetTickCount64().bignum.div(require('bignum')('1000')).toString();\
+				return (parseInt(v));\
+				break;\
+			case 'linux':\
+				return (parseInt(require('fs').readFileSync('/proc/uptime').toString().split('.')[0]));\
+				break;\
+			case 'freebsd':\
+			case 'darwin':\
+				var child = require('child_process').execFile('/bin/sh', ['sh']);\
+				child.stdout.str = ''; child.stdout.on('data', function(c) { this.str += c.toString(); });\
+				child.stdin.write(\"sysctl kern.boottime | awk '\");\
+				child.stdin.write('{');\
+				child.stdin.write('   split($0,A,\"{\");');\
+				child.stdin.write('   split(A[2],B,\"}\");');\
+				child.stdin.write('   split(B[1],C,\",\");');\
+				child.stdin.write('   split(C[1],D,\"=\");');\
+				child.stdin.write('   gsub(/^[ ]+/,\"\",D[2]);');\
+				child.stdin.write('   SEC=D[2]+0;');\
+				child.stdin.write('   split(C[2],G,\"=\");');\
+				child.stdin.write('   gsub(/^[ ]+/,\"\",G[2]);');\
+				child.stdin.write('   USEC=G[2]+0;');\
+				child.stdin.write('   if(USEC>1000000) { SEC+=1; }');\
+				child.stdin.write('   print SEC;');\
+				child.stdin.write(\"}'\");\
+				child.stdin.write('\\nexit\\n');\
+				child.waitExit();\
+				var tmp = Math.round((new Date()).getTime()/1000) - parseInt(child.stdout.str);\
+				return(tmp);\
+				break;\
+		}\
 	}";
 
 	ILibDuktape_ModSearch_AddHandler_AlsoIncludeJS(ctx, jsExtras, sizeof(jsExtras) - 1);