Add type conversion for VAR_POSITIONAL arguments

[SigmathBits]

Pull request summary

Typing information is currently ignored only for variable positional arguments. This PR adds type conversion functionality to them. Each argument starting at the variable positional arguments is individually converted.

Checklist

• [x] If code changes were made then they have been tested.
  • [ ] I have updated the documentation to reflect the changes.
  • [x] I have updated the changelog with a quick recap of my changes.
• [x] This PR fixes an issue.
• [ ] This PR adds something new (e.g. new method or parameters).
• [ ] This PR is a breaking change (e.g. methods or parameters removed/renamed)
• [ ] This PR is not a code change (e.g. documentation, README, ...)

[IAmTomahawkx]

Hey there, sorry for the massive delay on merging this, i missed seeing it Thanks!