Missing: GetBorderCellsInArea in SplitOoze

[Freiling87]

CS1061 'DungeonMap' does not contain a definition for 'GetBorderCellsInArea'

from SplitOoze.cs, line 66

[Freiling87]

Suggested:

• All references to GetBorderCellsInArea → GetBorderCellsInCircle

• All references to GetCellsInArea → GetCellsInCircle

Both are in Map, and appear to be the intended reference.