ASN1: Fix default value optimization upon encoding. Also encode SETs as SEQUENCEs since order is not important.
ASN1: Fix default value optimization upon encoding.
Also encode SETs as SEQUENCEs since order is not important.

paragonie-scott/phpseclib,creatuity/phpseclib,terrafrost/phpseclib,danog/phpseclib,melya/phpseclib,phpseclib/phpseclib,phpseclib/phpseclib-php5,kenichiii/phpseclib,metaclassing/phpseclib,metaclassing/phpseclib,danog/phpseclib,creatuity/phpseclib,splitice/phpseclib,paragonie-scott/phpseclib,ericariyanto/phpseclib,thaigialai1987/phpseclib,kenichiii/phpseclib,melya/phpseclib,splitice/phpseclib,thaigialai1987/phpseclib,phpseclib/phpseclib-php5,ericariyanto/phpseclib