[Feature] Type casting to be explicit or throw warnings

[wulfsolter]

No errors / warnings thrown when casting guest.lastVisit from remote text to local timestamp

[lathonez]

Currently we're just using adding / missing properties to identify differences in the schema: https://github.com/lathonez/clone-row/blob/master/CloneRow.py#L426-L427

We also do explicit encoding checks here https://github.com/lathonez/clone-row/blob/master/CloneRow.py#L109

But we need to extend this to make sure the data types of columns match up too