More types

[samuelcolvin]

• union - move strait to smart union behaviour
• literal - need specific cases for all strings and all ints (both using rust sets, call strict_str etc. before) and a general casing using a python set support literal/const types #31
• strict string
• strict int etc.
• custom types - perhaps done, can mostly use the function validators
• date Dates #77
• datetime Dates #77
• set
• frozen set Add frozenset type #86
• tuple Tuple validator #73
• bytes Add bytes type validator #80
• Decimal this can just be a function

[PrettyWood]

I updated the description with all the merged PRs. Are there some forgotten types or is this issue solved?

[samuelcolvin]

I think this is solved 🎉.

I don't know of any other types which need to be in this library, I'm some others will get suggested and added, but they can be discussed on new issues.