Merge pull request #10 from JPMoresmau/master

dates are inclusive
Merge pull request #11 from JPMoresmau/master

getExistingUserID helper method
Merge pull request #12 from JPMoresmau/master

getRequiredDocumentTypes
Fix aeson dependency lower bound.

Otherwise for aeson < 0.7:
src/Web/MangoPay/Types.hs:23:27:
    Module ‘Data.Aeson.Encode’ does not export ‘encodeToTextBuilder’
Merge pull request #13 from alanpog/aeson-lb-fix

Fix aeson dependency lower bound.
lower bounds for wai
Merge remote-tracking branch 'ps/master'
relax some constraints