[mysql] support for config[:reconnect] (might need some fine tuning to match mysql2)
[mysql] an attempt to support mysql/mysql2's config :sslxxx options
[postgres] handle null values in array columns with AR < 4.0 (fixes #548)
make sure we can still run the tests with JRuby 1.6.8 (syntax error in --1.8 mode)
re-build jar for 1.3.7 release
fill in History and increase version for 1.3.7