Sort lib files to ensure consistent inclusion

Author: paulj

lib/bashly/models/command.rb

@@ -209,7 +209,7 @@ def usage_string
       # This is meant to provide the user with the ability to add custom
       # functions
       def user_lib
-        @user_lib ||= Dir["#{Settings.source_dir}/lib/**/*.sh"]
+        @user_lib ||= Dir["#{Settings.source_dir}/lib/**/*.sh"].sort
       end
 
       # Raise an exception if there are some serious issues with the command
@@ -238,4 +238,4 @@ def verify_commands
 
     end
   end
-end
+end