fix cases where nodeunit doesn't print errors properly

Hello anybody, 

Please review the following commits I made in branch 'nick-errors'.

086918f747b78d9e9779c6e5c6c53827049715c4 (2013-06-26 15:42:37 -0400)
bump the version number

55181776ad412e08f860a6adc80b2c6343b533c1 (2013-06-26 15:42:06 -0400)
Fix cases where nodeunit doesn't print exceptions properly


R=anybody