Added capability to take long exposures
Further broadened range of acceptable GPS locations
Fixes to the long-exposure capability
Oops, didn't change actual numbers
Fixed recurring typo: exposure time is in usec
Increased the timeout in snap to accommodate long exposures
Made the speed factor in playback an optional command-line argument
Removed old commented-out lines
Merge pull request #192 from ayshih/long

Primarily improvements to snap utility