Fixed various Coding Contract bugs. Added getContractType() to coding contract API

doc/source/netscriptcodingcontractapi.rst

@@ -31,6 +31,20 @@ attempt
 
     :returns: Boolean indicating whether the solution was correct
 
+getContractType
+---------------
+
+.. js:function:: getContractType(fn[, hostname/ip=current ip])
+
+    :param string fn: Filename of the contract
+    :param string hostname/ip: Hostname or IP of the server containing the contract.
+                               Optional. Defaults to current server if not provided
+
+    Returns a name describing the type of problem posed by the Coding Contract.
+    (e.g. Find Largest Prime Factor, Total Ways to Sum, etc.)
+
+    :returns: A string with the contract's problem type
+
 getDescription
 --------------