##	jinang/Directory

*   class           __Directory__( string *homepath* )
*   void            __\<instance\>.append__ ( string *filename*, string | Buffer *data* )
*   ReadStream      __\<instance\>.createReadStream__  ( string *filename* [, object *options* ] )
*   WriteStream     __\<instance\>.createWriteStream__ ( string *filename* [, object *options* ] )
*   boolean         __\<instance\>.exists__ ( string *filename* )
*   void            __\<instance\>.mkdir__  ( string *pathname* )
*   number          __\<instance\>.open__   ( string *pathname*, string *flags* )
*   String | Buffer __\<instance\>.read__   ( string *filename*, string | Buffer *encoding* )
*   string          __\<instance\>.resolve__( string *filename* )
*   void            __\<instance\>.rmfr__   ( string *filename* )
*   void            __\<instance\>.write__  ( string *filename*, string | Buffer *data* )