What's new in thtk 7:

thdat: Support for TH14, TH143, TH15 has been added.
thdat: Support for TH105, TH123 has been added. These are not tested, and may
       behave wrongly.
thdat: You can archive the whole directory now. Pass the directory name as the
       argument.
thecl: Support for TH14, TH143, TH15 has been added.
thanm: Support for TH15 has been added.
thmsg: Support for TH15 has been added.

Support for TH143 is not tested. Please submit the issue at the GitHub project
page(https://github.com/thpatch/thtk/issues) if you found a bug.
