rename files in src

src/Groups.jl

@@ -3,15 +3,19 @@ module Groups
 using GroupsCore
 using ThreadsX
 import KnuthBendix
+import KnuthBendix: AbstractWord, Alphabet, Word
+import KnuthBendix: alphabet
+import Random
+
 import OrderedCollections: OrderedSet
 
 export AutomorphismGroup, FreeGroup, FreeGroup, FPGroup, FPGroupElement, SpecialAutomorphismGroup
 export alphabet, evaluate, word
 
-include("new_types.jl")
-include("new_hashing.jl")
+include("types.jl")
+include("hashing.jl")
 include("normalform.jl")
-include("new_autgroups.jl")
+include("autgroups.jl")
 
 include("groups/sautFn.jl")