Bumprace 1.5.1 released

Even more bug fixes and cleanups in this release.

Bumprace 1.5.0 released

This release includes a lot of small code cleanups and fixes and a new hard level set which can be activated via the --levelset 1 command line switch (If anyone wants to add a nice level set selection menu, go ahead). If anything is broken, or I forgot to apply your patch, please contact me as soon as possible.