Don't strip Python-style comments out of SQL code in %%sql cells.
Don't strip Python-style comments out of SQL code in %%sql cells.

Related to issue #600

parthea/datalab,craigcitro/datalab,yebrahim/datalab,craigcitro/datalab,parthea/datalab,googledatalab/datalab,parthea/datalab,googledatalab/datalab,yebrahim/datalab,yebrahim/datalab,parthea/datalab,craigcitro/datalab,googledatalab/datalab,yebrahim/datalab,craigcitro/datalab,craigcitro/datalab,googledatalab/datalab,yebrahim/datalab,googledatalab/datalab,parthea/datalab,googledatalab/datalab,parthea/datalab