Add "Full History" support for sabnzbd

[lsmoura]

Create in a "history.go" file inside the "sabnzbd" package. Follow the development pattern that's used on other files on the same package. Remember to do proper http logging and to mask the api keys.

Reference: https://sabnzbd.org/wiki/advanced/api#history

[krishnaindani]

Hey, could I work on this issue?

[lsmoura]

Go for it!

[krishnaindani]

would we like to implement all the functionality here history, retry, retry_all and delete?

[lsmoura]

If you have the bandwidth, go for it! The more the merrier