moved from custom is_number() to standared ctype.h isdigit()
-rw-r--r-- 378 Makefile
drwxr-xr-x - bin
drwxr-xr-x - doc
drwxr-xr-x - examples
drwxr-xr-x - include
-rw-r--r-- 456 install.conf
drwxr-xr-x - src