The datetime formats are:
- %Y-%m-%d %H:%M:%S
- %Y-%m-%d %H:%M:%S.%f
Any other datetime formats will be thrown as ValueError
'library' option is added
In order to have overlapping plugins co-exit, 'library' option is added to get_data and save_data.
csv only parameters
This is related to PEP 0515, where '_' in numeric values are considered legal in python 3.6. This behavior is not consistent along with other python versions. PEP 0515 by default is suppressed. And this flag allows you to turn it on in python 3.6.