Add dummy userphrase APIs
Implement userphrase enumeration APIs
Implement chewing_userphrase_add()
Implement chewing_userphrase_lookup()
Implement chewing_userphrase_remove()
Update test_set_fullshape
fix issue 69: Replace `chewing_zuin_Check` and `chewing_zuin_String`
Merge remote-tracking branch 'blue119/master'

* blue119/master:
  fix issue 69: Replace `chewing_zuin_Check` and `chewing_zuin_String`

Conflicts:
	test/testhelper.c
Fix underflow problem when cursor pos is 0
Add test cases for Up/Down keys
Update test case for Up

Closed #94 due to false report.
Add test case for hash collision
Add "哞" as ㄇㄡ

See http://www.unicode.org/cgi-bin/GetUnihanData.pl?codepoint=54DE
Merge pull request #92 from czchen/feature/userphrase_api

Implement userphrase APIs. Closed #65
Update NEWS and TODO
Exclude cmake generated file in coverage report
Make the code compile with VC++ by defining ssize_t manually.
change limit of autoconf to 2.65

Signed-off-by: ChangZhuo Chen (陳昌倬) <czchen@gmail.com>
fixed #89
Merge pull request #97 from blue119/issue89

fixed #89