-- 0.1.0 * 0.2.5

 adaptation for new version of PostgreSQL

-- 0.2.6

 #exec can have an optional output of type "array", "hash"
 (see the example in plruby.html)

-- 0.2.7

 PLrubyplan#each

--- 0.2.8
  
 adapted for 7.3b3

--- 0.2.9

 adapted for 1.8.0
 corrected stupid bug with GC 

--- 0.3.0

 *experimental* timeout (--with-timeout)
 fixed SPI_execp()

--- 0.3.1

 corrected for_numvals() (Thanks  Brad Hilton <bhilton@vpop.net>)