Fix parsing of empty git commits, fixes #3565
Fix relative path fetching when a var uses var replacement, fixes #3564
Minor fix to the HTTP Basic Authentication documentation

Replaced JSON array with JSON object since you cannot assign key values in an array.
Merge pull request #3567 from tomzx/patch-1

Minor fix to the HTTP Basic Authentication documentation
Add a failing testcase for stability flags in complex constraints

Refs #3570
Support parsing stability flags on complex constraints

Fixes #3570
Merge pull request #3583 from stof/complex_stability_flag_issue

Fix the parsing of stability flags on complex constraints