Add a [-V]erbose flag; default is off.
Add a [-V]erbose flag; default is off.

reptyr should just work and not utter all those
debug messages unless asked.

Signed-off-by: Randy MacLeod <rwmacleod@gmail.com>
[5189bc64eef7cb2f8e15afbc1a394127239e0cab@nelhage.com: Reduce nesting in debug()]

Signed-off-by: Nelson Elhage <5189bc64eef7cb2f8e15afbc1a394127239e0cab@nelhage.com>

nelhage/reptyr,developerfm/reptyr,jerome-pouiller/reredirect,developerfm/reptyr,jerome-pouiller/reredirect,nelhage/reptyr,developerfm/reptyr,yatsek/reptyr,nelhage/reptyr,yatsek/reptyr,yatsek/reptyr