initial commit
Made output strings more readable
more readability changes to output strings
added self-host suggestion in README
adds $HOSTNAME in e-mail body

Now you know for which machine the addr has changed.
Changed default address_history file
added more legible comments
added punctuation
added double quotes around a variable
Moved double quote to include a variable
added a comment
added --silent option to curl instead of redirecting output
Re-wrote README to include usage information
formating changes on README
more formatting changes on README
more formatting changes on README
more formatting changes on README
more formatting changes on README
added double quotes around a variable
removed extra '=' in condition