v0.5.2

Coluna v0.5.2

Diff since v0.5.1

Closed issues:

• Model parser for tests (#702)
• ERROR: Unexpected variable state during column insertion. (#747)

Merged pull requests:

• Add reformulation parser (#745) (@eduardovegas)
• Improve relax callback (#746) (@artalvpes)
• Replace UserInfo with regular storage. (#748) (@guimarqu)
• Improve relax callback (#750) (@guimarqu)
• Remove UserInfo (#751) (@guimarqu)
• fix bug in colgen when subproblem is infeasible or unbounded (#752) (@guimarqu)