Add to_file method to Table and make TableSchema work with Parser.
Add to_file method to Table and make TableSchema work with Parser.

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