Finished building and documneting the default confiuguration file
Updated the Config class to add addtional configuration parameters for LDAP search filters
Removed the LDAP user id attribuite config parameter as this is not used
Migrated the handler classes to the handlers folder for a more structured layout
Updated the default configuration file documentation
Updated the GapiHandler class to support the new configuration methods
Update the Config class to set the correct path for the cache_dir and google.client_secrets configuration parameters
Updagte the App class to support the new configuration methods
Updated the usage display to include missing --debug option
Updated the LdapHandler class to support the new configuration methods and options - removed any static refrence to LDAP parameters
Updated the App class to include the changed to the LdapHandler