Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: FunGEn (user goal)
rejecting: FunGEn-1.0 (conflict: FunGEn => FunGEn==0.4.*)
rejecting: FunGEn-0.4.6.1, 0.4.6, 0.4.5, 0.4.4, 0.4.3, 0.4.2, 0.4.1, 0.4, 0.3,
0.1 (global constraint requires ==1.0)
Dependency tree exhaustively searched.