1.x-3.16.1

What's Changed

• Issue #576: Handle null decrypt in uc_credit module. by @bugfolder in #591
• Issue #585: Prevent duplicated deprecation warning in uc_paypal module. by @bugfolder in #586. Details of the deprecation of the uc_paypal module are described here.
• Issue #589: Fix escaped backtick in update warning. by @bugfolder in #590
• Issue 587: Fix lookup parameters for extra services in newapi package quote. by @bugfolder in #588
• Issue #593: Add rectangular/nonrectangular rates to uc_usps. by @bugfolder in #594
• Issue #599: Round marked-up UPS shipping quotes to match store precision by @bugfolder in #600
• Issue #601: Round marked-up USPS shipping quotes to match precision specified by store setting. by @bugfolder in #602
• Issue #603: radios default value cannot be an array by @herbdool in #604

Full Changelog: 1.x-3.16.0...1.x-3.16.1