(PECL gearman >= 0.5.0) Add job servers public

(PECL gearman >= 0.5.0) Wait for and perform jobs

(PECL gearman >= 0.6.0) Unregister all function names with the job servers

(PECL gearman >= 0.5.0) Get last Gearman return code

(PECL gearman >= 0.6.0) Add worker options

(PECL gearman >= 0.6.0) Set socket I/O activity timeout

(PECL gearman >= 0.5.0) Set worker options

(PECL gearman >= 0.6.0) Remove worker options

(PECL gearman >= 0.6.0) Register a function with the job server

(PECL gearman >= 0.5.0) Get errno public int