Fix RuboCop offenses

.rubocop.yml

@@ -11,29 +11,20 @@ ParameterLists:
 
 MethodLength:
   CountComments: false
-  Max: 15
+  Max: 5
 
 # Avoid more than `Max` levels of nesting.
 BlockNesting:
-  Max: 3
+  Max: 2
 
 # Align with the style guide.
 CollectionMethods:
   PreferredMethods:
-    collect:  'map'
-    inject:   'reduce'
+    map:      'collect'
+    reduce:   'inject'
     find:     'detect'
     find_all: 'select'
 
-# Do not force public/protected/private keyword to be indented at the same
-# level as the def keyword. My personal preference is to outdent these keywords
-# because I think when scanning code it makes it easier to identify the
-# sections of code and visually separate them. When the keyword is at the same
-# level I think it sort of blends in with the def keywords and makes it harder
-# to scan the code and see where the sections are.
-AccessModifierIndentation:
-  Enabled: false
-
 # Limit line length
 LineLength:
   Enabled: false
@@ -76,3 +67,9 @@ CaseIndentation:
 
 Lambda:
   Enabled: false
+
+RaiseArgs:
+  EnforcedStyle: compact
+
+TrailingComma:
+  Enabled: false

lib/gems/configuration.rb

@@ -43,11 +43,10 @@ def options
 
     # Reset all configuration options to defaults
     def reset
+      self.username, self.password = nil, nil
       self.host       = DEFAULT_HOST
       self.key        = DEFAULT_KEY
-      self.password   = nil
       self.user_agent = DEFAULT_USER_AGENT
-      self.username   = nil
       self
     end
   end

lib/gems/request.rb

@@ -52,7 +52,7 @@ def request(method, path, data, content_type, request_host = host) # rubocop:dis
     end
 
     def hash_to_query_string(hash)
-      hash.keys.reduce('') do |query_string, key|
+      hash.keys.inject('') do |query_string, key|
         query_string << '&' unless key == hash.keys.first
         query_string << "#{URI.encode(key.to_s)}=#{URI.encode(hash[key])}"
       end