fix process#alive? to not raise on no such file0_4_maint
-rw-r--r-- 5531 Announce.txt
-rw-r--r-- 3476 History.txt
-rw-r--r-- 2046 Manifest.txt
-rw-r--r-- 1583 README.txt
-rw-r--r-- 846 Rakefile
drwxr-xr-x - bin
drwxr-xr-x - examples
drwxr-xr-x - ext
drwxr-xr-x - ideas
drwxr-xr-x - lib
drwxr-xr-x - site
drwxr-xr-x - test