doc update

doc/pages/call_file.txt

@@ -0,0 +1,23 @@
+:sig
+DTree* call_file(String file_name, String function_name, DTree* call_param = null)
+
+:params
+file_name : UCE file to load and execute
+function_name : name of the function to invoke
+call_param : optional, call parameter
+return value : DTree* returned from function
+
+:desc
+Calls a function inside a UCE file.
+
+:Example
+// export a function
+EXPORT void test_func()
+{
+	print("HELLO FROM TEST FUNCTION");
+}
+// use that function in another file
+call_file("call_file_funcs.uce", "test_func");
+
+:see
+>ob

doc/pages/concat.txt

@@ -0,0 +1,11 @@
+:sig
+String concat(...vals)
+
+:params
+...val : one or more values that should be concatenated
+
+:desc
+Returns a string with all the parameters concatenated into one.
+
+:see
+>string

doc/pages/load.txt

@@ -7,3 +7,5 @@ file name : name of an UCE file that should be included
 :desc
 Includes another UCE file
 
+:see
+>ob

doc/pages/print.txt

@@ -7,4 +7,5 @@ void print(...val)
 :desc
 Appends data to the current request's output stream.
 
-
+:see
+>string

doc/pages/render_file.txt

@@ -0,0 +1,16 @@
+:sig
+void render_file(String file_name, DTree& call_param = null)
+
+:params
+file_name : UCE file to load and execute
+call_param : optional, call parameter
+
+:desc
+Calls another UCE file and executes its RENDER() function.
+
+:Example
+// call a common page template
+render_file("page-template.uce");
+
+:see
+>ob