Bug 22540: Add ability to place holds using SIP CLI emulator

Bug 22540: Add ability to place holds using SIP CLI emulator

Test Plan:
1) Place a hold using the following arguments:
   sip_cli_emulator.pl -a <address> -p <port> -su <sip_user> -sp <sip_password> -l <location_code> --patron <cardnumber> --item <barcode> -m hold
2) Note the hold was placed in Koha

Signed-off-by: Liz Rea <wizzyrea@gmail.com>
Signed-off-by: frederik chenier <frederik.chenier@inlibro.com>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>