Updates the following deprecated functions:

bit comprehension to the new for comprehension standard

String.to_char_list and String.from_char_list calls

Updates usage of String.split to use the parts: option instead of global:
Update deps
Merge pull request #230 from alandyer/master

Deps version rev and deprecation updates
update dynamo exception to struct & record to Record for elixir 0.13.3
Merge pull request #236 from xbinxu/master

update dynamo exceptions/records/Mix.Project for elixir 0.13.3
Update mime dependency