Add bot specific ApiKey
Add a Notifications Handler with some basic functions
Add basic trade offer support using web api
Remove redundant testing code
Fix some bugs, add validation to api responses
Additional fixes, extra validation on steam failures
A range of fixes to the assets removal, webapi and null checks.
Added support for sending offers with tokens.
Fixed merge conflicts.
Added support for `tokensecure`.
Merge pull request #3 from scholtzm/tradeoffersfix

Merged latest SteamBot with Tradeoffers branch to make them compatible.
Fixed merge conflicts