Upped PEAR Console_Table to 1.1.6
Merge pull request #200 from dhaley/Console_Table_1.1.6

Upped PEAR Console_Table to 1.1.6
Fix bad result code in local shell aliases introduced in 1d40be7
Fix another problem introduced in 72f5400: do not 'cd' to %root unless that directory exists.
Fix #202. Remove inaccurate and unneeded site_name from the success message in cache-clear all.
Merge branch 'master' of github.com:drush-ops/drush
Always set errors regardless of --xml flag, verboseness.