Update Code Sniffer to version 1.5.6
Update Code Sniffer to version 1.5.6

splitice/phpseclib,kenichiii/phpseclib,metaclassing/phpseclib,thaigialai1987/phpseclib,melya/phpseclib,melya/phpseclib,kenichiii/phpseclib,metaclassing/phpseclib,phpseclib/phpseclib,terrafrost/phpseclib,creatuity/phpseclib,creatuity/phpseclib,splitice/phpseclib,danog/phpseclib,paragonie-scott/phpseclib,danog/phpseclib,paragonie-scott/phpseclib,thaigialai1987/phpseclib