Merge pull request mercadopago#47 from mercadopago/release/2.0.7

Fix SDK installation error

Change version

Include all SDK packages

Include all necessary packages to SDK works correctly.

Merge pull request mercadopago#41 from mercadopago/release/1.2.0

Release/1.2.0

Merge pull request mercadopago#29 from mercadopago/release/1.1.0

Release 1.1.0

Merge pull request mercadopago#23 from sebagun/master

Migración a payments v1