ipc: prevent possible fd leak
v0.32.4

Signed-off-by: Fedor Indutny <fedor@indutny.com>
deps: update libuv to 1.0.0-rc1
v0.32.5

Signed-off-by: Fedor Indutny <fedor@indutny.com>
client: fix invalid `shutdown` check

`side->shutdown` is enum, and not boolean value.
v0.32.6

Signed-off-by: Fedor Indutny <fedor@indutny.com>
client: not-connected side is fatal in shutdown
v0.32.7

Signed-off-by: Fedor Indutny <fedor@indutny.com>
key-ex: initial
ssl: SSL_MODE_ASYNC_KEY_EX

Support async RSA exchange by providing new SSL_want_rsa_sign(),
SSL_want_rsa_decrypt() API methods.

After getting such want values - SSL_supply_key_ex_data() should be
invoked to continue handshake with a sign/decrypt data that was received
from the remote server.