Merge pull request #104 from PaystackHQ/fix/transitive-dependencies

Fix issue where transitive dependencies weren't bundled with library

release version 3.0.12

Resolve issues that cause build to fail in AAPT2 fixes #23

Add card popup for forcing valid card entry

Update all library dependencies

[bump] v3.0.5

[chore] more information about backend url

Merge pull request #13 from Maviza101/master

Added instructions for using test cards.

Add Metadata support

Split Payments Aware