sshtunnel

• Change the daemon mod flag for all tunnel threads to prevent unexpected hangs (#219) (is not fully backward compatible!)
• Add docker based end to end functional tests for Mongo/Postgres/MySQL (#219)
• Add docker based end to end hangs tests (#219)

• Fix host key directory detection and unify default ssh config folder to ~/.ssh (#216)

• change default TUNNEL_TIMEOUT to 10.0 (related to https://github.com/pahaz/sshtunnel/issues/171)

• Change default with context behavior to use .stop(force=True) on exit (is not fully backward compatible)
• Remove useless daemon_forward_servers = True hack for hangs prevention (is not fully backward compatible)
• Set transport keepalive to 5 second by default (disabled for version < 0.3.0)
• Set default transport timeout to 0.1
• Deprecate and remove block_on_close option
• Fix "deadlocks" / "tunneling hangs" (#173, #201, #162, #211)

v.0.2.2

• Add .stop(force=True) for force close active connections (#201) (@pahaz)

v.0.2.1

• Fixes bug with orphan thread for a tunnel that is DOWN (#170). (@pahaz, @eddie-chiang and @kkrasovskii)

NOTE:: regression https://github.com/pahaz/sshtunnel/issues/201

v.0.2.0

• Support IPv6 without proxy command. Use built-in paramiko create socket logic. The logic tries to use ipv6 socket family first, then ipv4 socket family. (Georgy Rylov) https://github.com/pahaz/sshtunnel/pull/195

NOTE: possible regression https://github.com/pahaz/sshtunnel/issues/201