Exception class added for the custom error handling

API Reference doc regenrated
Error Handling added in the SDK
Error will be handled more promisingly

No Test cases are not written as there are many possible cases of the erros from API.
Yes it was successful report is already attached.

Author: hiteshbal91

api-reference/404.html

@@ -25,6 +25,11 @@ <h3>Namespaces</h3>
 					</a>
 
 						<ul>
+				<li>
+					<a href="namespace-Contentstack.Error.html">
+						Error					</a>
+
+						</li>
 				<li>
 					<a href="namespace-Contentstack.Result.html">
 						Result					</a>
@@ -89,6 +94,10 @@ <h3>Classes</h3>
 
 
 
+			<h3>Exceptions</h3>
+			<ul>
+				<li><a href="class-Contentstack.Error.CSException.html">Contentstack\Error\CSException</a></li>
+			</ul>
 
 
 			<h3>Functions</h3>

api-reference/class-Contentstack.Contentstack.html

@@ -24,6 +24,11 @@ <h3>Namespaces</h3>
 					</a>
 
 						<ul>
+				<li>
+					<a href="namespace-Contentstack.Error.html">
+						Error					</a>
+
+						</li>
 				<li>
 					<a href="namespace-Contentstack.Result.html">
 						Result					</a>