Handle invalid or empty pid files instead of returning pid 0
Merge pull request #1 from sodabrew/not_pid_0

Handle invalid or empty pid files instead of returning pid 0
Note the "Handle invalid or empty pid files instead of returning pid 0" fix in the Release file.
Move Daemons::VERSION to lib/daemons/version.rb
Consolidate gemspec in the gemspec file, remove from Rakefile
Remove empty TODO file
Update gemspec removing TODO and renaming README.md
Use git ls-files to generate the file list
Remove setup.rb
Rakefile update rdoc tasks, remove package tasks
git ignore rdoc html output
Remove example output