[#145] Load the alias module in the utility module

Functions cdll, pushdll, and popdll depend on the ll alias.

modules/utility/init.zsh

@@ -7,6 +7,9 @@
 #   Sorin Ionescu <sorin.ionescu@gmail.com>
 #
 
+# Load dependencies.
+omodload 'alias'
+
 # Serves a directory via HTTP.
 alias http-serve='python -m SimpleHTTPServer'