adding ruby method lists

Just for reference (not to copy)

lib/parfait/hash.rb

@@ -58,5 +58,15 @@ class Hash < Object
   def []=(key,val)
     set(key,val)
   end
+  
+  # :rehash, :to_hash, :to_h, :to_a, :[], :fetch, :[]=, :store, :default, :default=, :default_proc, :default_proc=,
+  # :key, :index, :size, :length, :empty?, :each_value, :each_key, :each_pair, :each, :keys, :values,
+  # :values_at, :shift, :delete, :delete_if, :keep_if, :select, :select!, :reject, :reject!, :clear, :invert,
+  # :update, :replace, :merge!, :merge, :assoc, :rassoc, :flatten, :include?, :member?, :has_key?, :has_value?,
+  # :key?, :value?, :compare_by_identity, :compare_by_identity?, :entries, :sort, :sort_by, :grep, :count, :find,
+  # :detect, :find_index, :find_all, :collect, :map, :flat_map, :collect_concat, :inject, :reduce, :partition,
+  # :group_by, :first, :all?, :any?, :one?, :none?, :min, :max, :minmax, :min_by, :max_by, :minmax_by, :each_with_index,
+  # :reverse_each, :each_entry, :each_slice, :each_cons, :each_with_object, :zip, :take, :take_while, :drop, :drop_while,
+  # :cycle, :chunk, :slice_before, :lazy
 end