Log Message:
Update to 2.16
all changes for pthai.el
- add pthai-dictionary-read-region/line/buffer functions
- rename pthai-dictionary-read -> pthai-dictionary-read-file
- rename pthai-dictionary-readall -> pthai-dictionary-read-files
- rename pthai-word-count -> pthai-dictionary-word-count
- add option to exit spell check at point
- add progess meters to some word counting funcs
- add pthai-spell-correct-p to spell check without word splitting
- add pthai-unknowns/count/insert for extracting/counting unknown words