fixed lock/unlock mismatch inside finally block

1.0.0-beta2

updated version up to 1.0.0 beta 1

updated version up to 1.0.0 alpha 2

updated version up to 1.0.0-ALPHA-1

updated version up to 0.9.9.9

updated TODO's

updated version up to 0.9.9.3

updated version up to 0.9.9