first commit
change route to /
add template; rename calc.rb to index.rb
trivial change
rename file back
another trivial change
this will break - running the wrong rb file
try again
try to remove sinatra/base
rename back to index.rb and add netaddr
working with textarea input
using cidr input and new lines on output
format table
fix require to be local
show clean input on post
add IP counts.  more refactoring
trivial change to demo to stacy
remove txt files
remove read_file method
change default IPs