update CommandTimeout with new exception namespacing
update CommandTimeout with new exception namespacing

docwhat/mixlib-shellout,chef/mixlib-shellout,chef/mixlib-shellout,juliandunn/mixlib-shellout,Nordstrom/mixlib-shellout,docwhat/mixlib-shellout,juliandunn/mixlib-shellout,BackSlasher/mixlib-shellout,BackSlasher/mixlib-shellout