Merge pull request nirvana#18 from splatte/flush_bucket

add "flush" functionality

lib/couchie.ex

@@ -123,6 +123,16 @@ defmodule Couchie do
 		:cberl.remove(connection, key)
 	end
 
+	@doc """
+	Empty the contents of the specified bucket, deleting all stored data.
+	## Example
+
+		Couchie.flush(:connection)
+	"""
+	def flush(connection) do
+		:cberl.flush(connection)
+	end
+
 	@doc """
 	Delete document.  Key should be binary.
 	## Example