add Errno::EIO to list of rescued exceptions as underlying pts can close before shutdown is complete
add Errno::EIO to list of rescued exceptions as underlying pts can close before shutdown is complete

Possibly relates to GitHub Issue #40.

matschaffer/foreman,addendumauto/foreman,ddollar/foreman,ariejan/foreman,sr/foreman,matschaffer/foreman,moreati/foreman,sideci-sample/sideci-sample-foreman,sr/foreman,mfpiccolo/foreman,ddollar/foreman,addendumauto/foreman,github/foreman,sr/foreman,matschaffer/foreman,github/foreman,yakovenkodenis/foreman,kyrylo/foreman,rkachowski/foreman,ariejan/foreman,rkachowski/foreman,sideci-sample/sideci-sample-foreman,addendumauto/foreman,kyrylo/foreman,yakovenkodenis/foreman,ariejan/foreman,mfpiccolo/foreman,moreati/foreman,yakovenkodenis/foreman,ddollar/foreman,moreati/foreman,kyrylo/foreman,mfpiccolo/foreman,rkachowski/foreman