added function to check if exps are available
updated logging and check for exp before run vpn
added python file so that we can see the vpn dir
modified to return false on error
updated logging and argument parsing stuff
pep8 updates
updated default server url to point to iclab
Fix AUTHORS
Merge pull request #31 from gsathya/fix_authors

Fix AUTHORS
updated syntax for sathya's comments
updated for sathya's comments
updated logging to include the time
Merge pull request #32 from ben-jones/update_vpn

Update vpn