Merge pull request sirupsen#32 from casperisfine/ruby-2.7

Test against Ruby 2.7 and fix warnings

.travis.yml

@@ -2,6 +2,7 @@ language: ruby
 services:
   - redis-server
 rvm:
-  - 2.3
   - 2.4
   - 2.5
+  - 2.6
+  - 2.7

lib/progressrus/core_ext/enumerable.rb

@@ -1,5 +1,5 @@
 module Enumerable
-  def with_progress(**args, &block)
+  def with_progress(args = {}, &block)
     if block_given?
       progresser = progress(args)
       begin
@@ -25,7 +25,7 @@ def progress(args)
       # Lazily read the size, for some enumerable this may be quite expensive and
       # using this method should come with a warning in the documentation.
       total = self.size unless args[:total]
-      @progress = Progressrus.new({total: total}.merge(args))
+      @progress = Progressrus.new(total: total, **args)
     end
   end
 end

lib/progressrus/store/redis.rb

@@ -31,7 +31,7 @@ def persist(progress, now: Time.now, force: false, expires_at: nil)
       def scope(scope)
         scope = redis.hgetall(key(scope))
         scope.each_pair { |id, value|
-          scope[id] = Progressrus.new(deserialize(value))
+          scope[id] = Progressrus.new(**deserialize(value))
         }
       rescue *BACKEND_EXCEPTIONS => e
         raise Progressrus::Store::BackendError.new(e)
@@ -41,7 +41,7 @@ def find(scope, id)
         value = redis.hget(key(scope), id)
         return unless value
 
-        Progressrus.new(deserialize(value))
+        Progressrus.new(**deserialize(value))
       rescue *BACKEND_EXCEPTIONS => e
         raise Progressrus::Store::BackendError.new(e)
       end