Adding requires and rest client and begin work on calling out to the service

Signed-off-by: Mikael Henriksson <mikael@zoolutions.se>
Merge branch 'master' of github.com:KevinSjoberg/pb

Signed-off-by: Mikael Henriksson <mikael@zoolutions.se>

Conflicts:
	lib/pb.rb
	spec/spec_helper.rb
Merge branch 'master' of github.com:KevinSjoberg/pb