Merge pull request nicklaw5#55 from nicklaw5/auth

Refatcor authentication

Merge pull request nicklaw5#52 from saltlands/add-search-channels

Add SearchChannels to search for offline channels

Merge pull request nicklaw5#49 from jakefolio/feature/token-validate

Validate user access token

Merge pull request nicklaw5#41 from nicklaw5/more-go-version

Test on additional Go versions

Merge pull request nicklaw5#35 from TylerSouthmayd/feat/update-user-e…

…xtensions

Feat/update user extensions

Merge pull request nicklaw5#32 from TylerSouthmayd/feat/user-extensions

Feat/user extensions

Merge pull request nicklaw5#31 from Chronophylos/moderation-endpoints

Add Get Banned Users Endpoint

Merge pull request nicklaw5#30 from bamnet/master

Replace CommunityIDs with TagIDs

Merge pull request nicklaw5#28 from damoun/get-subscriptions

Get Broadcaster Subscriptions

Merge pull request nicklaw5#26 from iwinulose/patch-1

Fix date serialization in query parameters