- [x] Check for WantArray and return an array if desired 
- [x] Write docs
- [x] Write tests
- [x] Fix xt/boilerplate.t 
- [x] Add bin to Makefile.PL
- [x] Add suggested improvement modules
- [x] Use Set::IntSpan if available
- [x] Push to GitHub
- [x] Generate SVG
- [-] Gradient CSS for SVG
- [x] Output midi file
- [x] Support for alternative Recaman's sequence A008336
- [ ] Use Math::BigInt for A008336 if available
- [ ] Release to CPAN
