Update *recovery script command

another script command that rathena already having for months
http://trac.rathena.org/changeset/17321/rathena

no more atcommand @raise, @raisemap or @alive

feel free to improve the code
`unsigned char`? Please don't. Use `int`. (Same applies to all other instances of `i` in this function. `i` should _almost_ always be a signed integer.)