Change indexing in output, Add file descriptions
Change indexing in output, Add file descriptions

The output was changed from 0-indexing to 1-indexing for consistency
with chess boards. A basic description of the program purpose and usage
was added.

JDSWalker/n-Queens_Problem,JDSWalker/n-Queens_Problem,JDSWalker/n-Queens_Problem,JDSWalker/n-Queens_Problem,JDSWalker/n-Queens_Problem