Adds a main file.
Makes the greeting more formal to avoid offending users.
Clarifies the meanings of the arguments to main().
Merge pull request #3 from ahruss/arguments

Clarifies the meanings of the arguments to main().
Merge pull request #4 from ahruss/more-formal

Makes the greeting more formal to avoid offending users.
Merge pull request #5 from ahruss/develop

Add the basic main file to master.