Poratbility: do not use #removeAtIndex: under Pharo.
Pharo does not have #removeAtIndex: which is actually
and ANSI protocol. But Pharoers do not like ANSI and don't
give a shit about compatibility.
To workaround it, use super-ugly #respondsTo: test.
.svn
*.sc
*.c
*.sth
*.STH
*.@@@
objbc
objvc
*.res
ntLibInit.c
objmingw