Update TC

* test_Space_selection
* test_Esc_escCleanAllBuf
* test_PageUp_in_select
* test_set_autoShiftCur
Merge pull request #134 from hiunnhue/tc_update

Update TC
Use chewing_set_ChiEngMode to handle Capslock
Add LOG_API to log all chewing APIs
Do not check NULL for free()
Add 大夫 (ㄉㄞˋ ㄈㄨ˙)
Add 大夫 (ㄉㄞˋ ㄈㄨ˙) as exception phrase
Print key in log
Update LOG_API
Update AUTHORS and NEWS
Remove chewing_cand_string_by_index

chewing_cand_string_by_index is superseded by
chewing_cand_string_by_index_static.
Add LOG_API to log all chewing APIs in mod_aux.c
Update NEWS
Remove chewing_bopomofo_String

chewing_bopomofo_String is superseded by chewing_bopomofo_String_static.
Retab
Update coveralls exclude pattern
Change return value of add/remove userphrase APIs

chewing_userphrase_add and chewing_userphrase_remove now returns how
many userphrases are affected.

Closed #133