Indent output from subprocess. Perfect for scripting. Tested with FreeBSD & Linux on x86 (version 0.10 tested with {free,net,open}BSD, linux, solaris, macosx on x86,amd64,alpha,sparc32,sparc64, ppc)
Known bugs
On BSD where stdin is terminal, but stdout is not ("ind ./test | cat") it will bug out and not exit.
