diff --git a/README.md b/README.md
index 033aa65..c60ed28 100644
--- a/README.md
+++ b/README.md
@@ -1,20 +1,21 @@
 Dlang IDE
 =========
 
-Trying to write D language IDE using dlangUI library.
+D language IDE written using DlangUI library.
 
 Currently supported features:
 
 * Can open DUB (dub.json) projects
 * Shows tree with project source files
-* Can open source files from project or file system in multi-tab editor
+* Can open and edit source files from project or file system in multi-tab editor
 * D language source code syntax highlight (basic)
 * Build and run project with DUB
 
-TODO:
+![screenshot](http://buggins.github.io/dlangui/screenshots/screenshot-dlangide.png "screenshot")
 
-* Improve look and feel
-* Debugger support
+GitHub page: [https://github.com/buggins/dlangide](https://github.com/buggins/dlangide)
+
+DlangUI project GitHub page: [https://github.com/buggins/dlangui](https://github.com/buggins/dlangui)
 
 
 Build and run with DUB:
@@ -23,8 +24,6 @@ Build and run with DUB:
 	cd dlangide
 	dub run
 
-Try to open sample project Tetris, from workspaces/tetris with DlangIDE.
+HINT: Try to open sample project Tetris, from workspaces/tetris with DlangIDE.
 
 To develop in VisualD together with DlangUI, put this project on the same level as dlangui repository, and its dependencies.
-
-
diff --git a/dlangide.visualdproj b/dlangide.visualdproj
index 5e64820..6fcd812 100644
--- a/dlangide.visualdproj
+++ b/dlangide.visualdproj
@@ -31,7 +31,7 @@
   <useArrayBounds>0</useArrayBounds>
   <noboundscheck>0</noboundscheck>
   <useSwitchError>0</useSwitchError>
-  <useUnitTests>0</useUnitTests>
+  <useUnitTests>1</useUnitTests>
   <useInline>0</useInline>
   <release>0</release>
   <preservePaths>0</preservePaths>
diff --git a/src/ddc/lexer/tokenizer.d b/src/ddc/lexer/tokenizer.d
index 605fe68..41cde6e 100644
--- a/src/ddc/lexer/tokenizer.d
+++ b/src/ddc/lexer/tokenizer.d
@@ -2826,11 +2826,13 @@ TEST"
 		]);
 }
 
+
 unittest {
+    version(DisableLexerTest) {
     import std.stdio;
     import std.conv;
     import std.utf;
-    import ddx.lexer.LineStream;
+    import dlangui.core.linestream;
     string fname = "/home/lve/src/d/ddc/ddclexer/tests/tokenizer_test.d";
 	writeln("opening file");
     try {
@@ -2857,4 +2859,5 @@ unittest {
     } catch (Exception e) {
         writeln("Exception " ~ e.toString);
     }
+    }
 }
diff --git a/src/dlangide.d b/src/dlangide.d
index 6139c24..1b56630 100644
--- a/src/dlangide.d
+++ b/src/dlangide.d
@@ -13,6 +13,7 @@ mixin APP_ENTRY_POINT;
 /// entry point for dlangui based application
 extern (C) int UIAppMain(string[] args) {
 
+
     // embed non-standard resources listed in views/resources.list into executable
     embeddedResourceList.addResources(embedResourcesFromList!("resources.list")());
 
@@ -55,6 +56,49 @@ extern (C) int UIAppMain(string[] args) {
     // show window
     window.show();
 
+    //jsonTest();
+
     // run message loop
     return Platform.instance.enterMessageLoop();
 }
+
+
+unittest {
+    void jsonTest() {
+        import dlangui.core.settings;
+        Setting s = new Setting();
+        s["param1_ulong"] = cast(ulong)1543453u;
+        s["param2_long"] = cast(long)-22934;
+        s["param3_double"] = -39.123e-10;
+        s["param4_string"] = "some string value";
+        s["param5_bool_true"] = true;
+        s["param6_bool_false"] = false;
+        s["param7_null"] = new Setting();
+        Setting a = new Setting();
+        a[0] = cast(ulong)1u;
+        a[1] = cast(long)-2;
+        a[2] = 3.3;
+        a[3] = "some string value";
+        a[4] = true;
+        a[5] = false;
+        a[6] = new Setting();
+        Setting mm = new Setting();
+        mm["n"] = cast(ulong)5u;
+        mm["name"] = "test";
+        a[7] = mm;
+        s["param8_array"] = a;
+        Setting m = new Setting();
+        m["aaa"] = "bbb";
+        m["aaa2"] = cast(ulong)5u;
+        m["aaa3"] = false;
+        s["param9_object"] = m;
+        string json = s.toJSON(true);
+        s.save("test_file.json");
+
+        Setting loaded = new Setting();
+        loaded.load("test_file.json");
+        string json2 = loaded.toJSON(true);
+        loaded.save("test_file2.json");
+    }
+
+}
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