MIPster v0.2.6

What's Changed

• Heuristic information by @jacurick19 in #2
• Gf2 parity presolve by @jacurick19 in #3
• Path aggregation mir cuts by @jacurick19 in #4
• Fix solution validation tolerance by @jacurick19 in #5

Full Changelog: v0.2.5...v0.2.6