Merge pull request #7 from wlgys8/master

update from wlgys8
Merge pull request #8 from wlgys8/master

update from wlgys8
Merge pull request #9 from wlgys8/master

update from wlgys8
Merge pull request #10 from wlgys8/master

update from wlgys8
Merge pull request #11 from wlgys8/master

update from wlgys8
Merge pull request #12 from wlgys8/master

update from wlgys8
Merge pull request #13 from wlgys8/master

update from wlgys8
add freetype lib

add freetype lib
Merge pull request #4 from waiter/master

add freetype lib (I'm not sure if it is correct)