#728: data_creator.py, define 'timestamp' column in 'tbl_dataset'
#728: data_creator.py, 'import time'
#728: data_creator.py, store current unix timestamp
#728: data_creator.py, SQL query store current unix timestamp
#728: data_creator.py, add 'timestamp' parameter in SQL query
#728: data_creator.py, use 'datetime' instead of 'unix timestamp'
#728: data_creator.py, 'from datetime import datetime'
#728: data_creator.py, change 'datetime' -> 'datetime_saved' and remove 'str'
Merge pull request #729 from jeff1evesque/python_data_creator

#728: Add timestamp column to 'tbl_dataset' SQL Table