missing imports

Signed-off-by: Marc Lefrançois <mlefrancois@mirego.com>
Merge remote-tracking branch 'upstream/master'
missing podspec file

Signed-off-by: Marc Lefrançois <mlefrancois@mirego.com>
Merge pull request #34 from mirego/master

These missing imports where preventing compilation.

Also add podspec file