rename qwaiter to mozo

lib/mozo/counter.rb

@@ -0,0 +1,24 @@
+module Mozo
+  module Counter
+    mattr_accessor :connection
+
+    # mainly for testing purposes
+    def self.set(key, value)
+      connection.set(key, value) rescue value
+    end
+
+    def self.get(key)
+      connection.get(key, quiet: true).to_i rescue 0
+    end
+
+    def self.incr(key, options = {})
+      options[:initial] ||= 1
+      connection.incr(key, options) rescue 1
+    end
+
+    def self.decr(key, options = {})
+      options[:initial] ||= 0
+      connection.decr(key, options) rescue 0
+    end
+  end
+end