*** test program for CDir class
--- append dirs to the list
appendPath: OK
the directory "OK" is exist.
appendPath: ../coconut
the directory "../coconut" is exist.
appendPath: ./hoge
the directory "./hoge" is NOT exist.
--- the number of pathes
 3
--- print the contents
(dir
 OK
 ../coconut
 ./hoge
)
--- search file in the list
search result : "../coconut/cdir.m"
bye
