diff --git a/Chart/Chart.js b/Chart/Chart.js
index 1b9da05..1f25c93 100644
--- a/Chart/Chart.js
+++ b/Chart/Chart.js
@@ -7,19 +7,19 @@
 
         this.title = {
             visible: true,
-            text: "Title",
+            text: "",
             anchor: "middle",
             position: "center"
         };
         this.subtitle = {
             visible: true,
-            text: "This is a short subtitle",
+            text: "",
             anchor: "middle",
             position: "center"
         };
         this.footer = {
             visible: true,
-            text: "(c) Orange Management Solutions",
+            text: "",
             anchor: "end",
             position: "right"
         };
@@ -107,7 +107,7 @@
 
     jsOMS.Chart.prototype.setAxis = function (id, axis)
     {
-        this.axis[id] = axis;
+        this.axis[id] = jsOMS.merge(this.axis[id], axis);
 
         // Setting axis dimensions in case dataset existss
         if (Object.keys(this.dataset).length > 0) {
@@ -143,7 +143,7 @@
 
     jsOMS.Chart.prototype.setTitle = function (title)
     {
-        this.title = title;
+        this.title = jsOMS.merge(this.title, title);
     };
 
     jsOMS.Chart.prototype.getTitle = function ()
@@ -183,7 +183,7 @@
 
     jsOMS.Chart.prototype.setLegend = function (legend)
     {
-        this.legend = legend;
+        this.legend = jsOMS.merge(this.legend, legend);
     };
 
     jsOMS.Chart.prototype.getLegend = function ()
@@ -332,7 +332,7 @@
         let temp, pos = 0, topmargin = 0;
 
         /* No subtitle without title */
-        if (this.subtitle !== undefined && this.subtitle.visible && this.title !== undefined && this.title.visible) {
+        if (this.subtitle !== undefined && this.subtitle.text !== '' && this.subtitle.visible && this.title !== undefined && this.title.text !== '' && this.title.visible) {
             pos = this.calculateHorizontalPosition(this.subtitle.position);
 
             temp = svg.append("text")
@@ -353,7 +353,7 @@
             }
         }
 
-        if (this.title !== undefined && this.title.visible) {
+        if (this.title !== undefined && this.title.text !== '' && this.title.visible) {
             pos = this.calculateHorizontalPosition(this.title.position);
 
             temp = svg.append("text")
@@ -371,7 +371,7 @@
             }
         }
 
-        if (this.footer !== undefined && this.footer.visible) {
+        if (this.footer !== undefined && this.footer.text !== '' && this.footer.visible) {
             let spacer = 0;
 
             // if no x axis available an element less will be drawn and the footer
diff --git a/Chart/LineChart.js b/Chart/LineChart.js
index 48aee3d..8f19222 100644
--- a/Chart/LineChart.js
+++ b/Chart/LineChart.js
@@ -68,6 +68,7 @@
             height: box.height
         };
 
+        // todo: allow ordinal data axis
         x = d3.scale.linear().range([
             0,
             this.chart.dimension.width
@@ -83,6 +84,7 @@
         ]);
 
         // axis
+        // todo: implement manual tick (e.g. .ticks(6)) setting for axis
         xAxis1 = d3.svg.axis().scale(x).tickFormat(function (d)
         {
             return self.chart.axis.x.tick.prefix + d;
@@ -329,7 +331,8 @@ for (i = k = 1; k <= 3; i = ++k) {
     count = i;
     data.push(dataGen());
 }
-
+/*
 var mychart = new jsOMS.Chart.LineChart('chart');
 mychart.getChart().setData(data);
 mychart.draw();
+*/
\ No newline at end of file
diff --git a/Chart/PieChart.js b/Chart/PieChart.js
index 6759378..a63ccf5 100644
--- a/Chart/PieChart.js
+++ b/Chart/PieChart.js
@@ -87,8 +87,8 @@
                 return pie(d.points);
             }).enter().append('path')
             .attr("transform", "translate("
-                + (this.chart.dimension.width / 2) + ","
-                + (this.chart.dimension.height / 2 - this.chart.margin.bottom - this.chart.margin.top + 10) + ")")
+                + ((this.chart.dimension.width - this.chart.margin.left - this.chart.margin.right) / 2 ) + ","
+                + ((this.chart.dimension.height - this.chart.margin.bottom - this.chart.margin.top) / 2) + ")")
             .attr('fill', function (d)
             {
                 return self.chart.color(d.data.name);
@@ -142,6 +142,10 @@ for (i = k = 1; k <= 1; i = ++k) {
     data.push(dataGen());
 }
 
+/*
+
 var mychart = new jsOMS.Chart.PieChart('chart');
 mychart.getChart().setData(data);
 mychart.draw();
+
+*/
diff --git a/Message/Request/Request.js b/Message/Request/Request.js
index 1dba3e2..a3ad82d 100644
--- a/Message/Request/Request.js
+++ b/Message/Request/Request.js
@@ -314,12 +314,18 @@
         {
             if (self.xhr.readyState === 4 && self.xhr.status === 200) {
                 self.success(self.xhr);
+            } else if(self.xhr.readyState === 2) {
+                // todo: handle server received request
+            } else if(self.xhr.readyState === 3) {
+                // todo: server is handling request
+            } else {
+                // todo: create handler for error returns
+                console.log(self.xhr)
             }
         };
 
         if (this.type === jsOMS.Message.Request.RequestType.JSON) {
             if (typeof this.requestHeader !== 'undefined' && this.requestHeader['Content-Type'] === 'application/json') {
-                console.log(JSON.stringify(this.data));
                 self.xhr.send(JSON.stringify(this.data));
             } else {
                 self.xhr.send(this.queryfy(this.data));
diff --git a/Utils/oLib.js b/Utils/oLib.js
index fa06261..712f206 100644
--- a/Utils/oLib.js
+++ b/Utils/oLib.js
@@ -264,20 +264,36 @@
      */
     jsOMS.merge = function (target, source)
     {
-        for (var p in source) {
+        let out = jsOMS.clone(target);
+
+        for (let p in source) {
             try {
-                if (source[p].constructor == Object) {
-                    target[p] = merge(target[p], source[p]);
+                // Property in destination object set; update its value.
+                if ( source[p].constructor==Object ) {
+                    out[p] = jsOMS.merge(out[p], source[p]);
 
                 } else {
-                    target[p] = source[p];
+                    out[p] = source[p];
+
                 }
 
-            } catch (e) {
-                target[p] = source[p];
+            } catch(e) {
+                // Property in destination object not set; create it and set its value.
+                out[p] = source[p];
+
             }
         }
 
-        return target;
+        return out;
     };
+
+    /**
+     * todo: implement deep clone/copy
+     * @param obj
+     * @returns {*}
+     */
+    jsOMS.clone = function (obj)
+    {
+        return obj;
+    }
 }(window.jsOMS = window.jsOMS || {}));