General gsub to catch all instances of JS objects

Author: epleterte

lib/puppet/provider/mongodb_replset/mongo.rb

@@ -266,8 +266,7 @@ def self.mongo_command(command, host=nil, retries=4)
     end
 
     # Dirty hack to remove JavaScript objects
-    output.gsub!(/ISODate\((.+?)\)/, '\1 ')
-    output.gsub!(/Timestamp\((.+?)\)/, '[\1]')
+    output.gsub!(/\w+\((.+?)\)/, '\1')
 
     #Hack to avoid non-json empty sets
     output = "{}" if output == "null\n"