Removing superfluous blank lines at end
append to log file instead of overwriting it
Log status when exiting via set_status_and_exit()
Log the relevant environ variables when starting
Log min and max id inside the loop
Log the mode at the beginning of the script
log min and max just before we save tweets
log min (or max) id before we do the twitter query
Merge pull request #32 from scraperwiki/logging

Logging