Release 1.7.1

Version 1.7.1 merges the previously pre-released 1.7.0 into the main branch and is now marked as the latest stable release.

Changes:

• Merged all 1.7.0 updates into the main branch.
• Added support for a new confirmation type: Purchase.
• Fixed a crash occurring during confirmation loading.
• Improved localization and system messages.

What's Changed

• Reflect 1.5.6 updates in 2.0 by @achiez in #7
• Merge 1.7.1 to master by @achiez in #8

Full Changelog: 1.5.7...1.7.1