Try crypto.
Clear type hints on PHP5.3.*.
Add encryption support.
Merge branch 'crypto'
[auto] Merge from Socket

    • #6830694 — Try crypto. (Ivan Enderlin, 2013-04-15)
    • #4030734 — Clear type hints on PHP5.3.*. (Ivan Enderlin, 2013-04-15)
    • #7820ad6 — Add encryption support. (Ivan Enderlin, 2013-04-15)
    • #80c011e — Merge branch 'crypto' (Ivan Enderlin, 2013-04-15)

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Merge remote branch 'library-socket/master'