Release v1.1.2

What's Changed

• Problem definition update to cell centering by @heavenfall in #8
• Updated problem description by @heavenfall in #10
• Path validator base case in line with classic by @heavenfall in #12
• Minor bug fixes by @heavenfall in #13
• Updated scenario with any-angle shortest paths by @heavenfall in #14
• Marking validator data header function as inline by @heavenfall in #17

All changes reviewed by @nobodyczcz

Full Changelog: v1.1.0...v1.1.2