Fix failures caused due to code cleanup (d487df3)
Fix failures caused due to code cleanup (d487df3)

Minor issues while processing query strings in WCC after code
refactoring done as part of #148 are fixed.

njayaram2/incubator-madlib,orhankislal/incubator-madlib,orhankislal/madlib,hpandeycodeit/incubator-madlib,njayaram2/madlib,orhankislal/madlib,njayaram2/madlib,njayaram2/incubator-madlib,cooper-sloan/incubator-madlib,orhankislal/madlib,orhankislal/madlib,orhankislal/incubator-madlib,madlib/madlib,orhankislal/incubator-madlib,iyerr3/incubator-madlib,apache/incubator-madlib,hpandeycodeit/incubator-madlib,iyerr3/incubator-madlib,hpandeycodeit/incubator-madlib,iyerr3/incubator-madlib,hpandeycodeit/incubator-madlib,njayaram2/incubator-madlib,madlib/madlib,orhankislal/incubator-madlib,njayaram2/madlib,madlib/madlib,madlib/madlib,cooper-sloan/incubator-madlib,cooper-sloan/incubator-madlib,apache/incubator-madlib,orhankislal/incubator-madlib,cooper-sloan/incubator-madlib,njayaram2/incubator-madlib,orhankislal/madlib,hpandeycodeit/incubator-madlib,iyerr3/incubator-madlib,cooper-sloan/incubator-madlib,apache/incubator-madlib,njayaram2/madlib,njayaram2/madlib,apache/incubator-madlib,madlib/madlib,apache/incubator-madlib,iyerr3/incubator-madlib,njayaram2/incubator-madlib