pspell_config_mode() should be
used on a config before calling
pspell_new_config(). This function determines how
many suggestions will be returned by
pspell_suggest().
The mode parameter is the mode in which spellchecker
will work. There are several modes available:
PSPELL_FAST - Fast
mode (least number of suggestions)
PSPELL_NORMAL -
Normal mode (more suggestions)
PSPELL_BAD_SPELLERS
- Slow mode (a lot of suggestions)