* read and write byte functions.
    * page write function with size and page boundary check.
    * sequencial read function.

Apply changes made by Richard to the eeprom_24aa64 module.

    Changes made by Richard Carrillo (7solutions) for the fmcdio5chttla.
        * Proper exception raising and handling.
        * Avoiding infinite loop by adding timeouts.

Some cleanup in the comments and commented debug messages.