Merge pull request Rhymen#483 from SchulteMK/feature/loginoptions

Add NewConnWIthOptions

Merge pull request Rhymen#267 from SchulteMK/cleanup

General cleanup

Merge pull request Rhymen#251 from gabstv/presence_types

Typed Presence constants

Merge pull request Rhymen#231 from jackesdavid/sticker-download

Add StickerMessage Download function like we have in ImageMessage

extract wa version to its own variable

closes Rhymen#107

adds missing go.sum hashes