Remove default null (lightsparkdev#46)

Bump version to v2.10.0 (lightsparkdev#45)

Merge pull request lightsparkdev#42 from lightsparkdev/fix/290

Bump version to 2.9.0

Merge pull request lightsparkdev#39 from lightsparkdev/05-14-bump_ver…

…sion_to_2.8.0

Bump version to 2.8.0

Merge pull request lightsparkdev#36 from lightsparkdev/fix/typeissue

Fix a type issue in the outgoing_payments_for_payment_hash query

Merge pull request lightsparkdev#35 from lightsparkdev/fix/bumpversion

Bump version to 2.7.0

Add incoming_payments_for_invoice query (lightsparkdev#31)

Also bumping the version to 2.6.0.

Bump the version to v2.5.1 (lightsparkdev#28)

Update version to 2.5.0 and update changelog. (lightsparkdev#23)

Update crypto lib and bump version again. (lightsparkdev#19)