Updated documentation for new functions

README.md

@@ -159,6 +159,18 @@ functions:
 
 		$_.util.object_values(object);
 		
+* object_merge: Merges two objects' keys and values
+
+		$_.util.object_merge(object1, object2);
+		
+* array_combine: Creates an object with the keys of the first array, and the values of the second
+
+		$_.util.array_combine(keys, values);
+		
+* str_trans: Similar to the PHP function strtr, replaces string pairs in a GREEDY fashion
+
+		$_.util.str_trans(string, from, to); OR $_.util.str_trans(string, replace_pairs_object);
+