Parse `tweet.retweeted_status` field (close #6)

Signed-off-by: aditya <dev@chimeracoder.net>
Implement GetUsersShow and GetUsersShowById

Signed-off-by: aditya <dev@chimeracoder.net>
Making all requests through https connection

Plain http is no longer supported:
  https://dev.twitter.com/discussions/24239

Signed-off-by: aditya <dev@chimeracoder.net>
Use BaseUrl so https errors dont go missed

Signed-off-by: aditya <dev@chimeracoder.net>
Fix queries in friends_followers.go
fixed broken api endpoints

Signed-off-by: aditya <dev@chimeracoder.net>
Merge remote-tracking branch 'upstream/master'

Conflicts:
	users.go