Minor README.md typo fix "usefull" > "useful".
Merge pull request #10 from StevenMaude/patch-1

Minor README.md typo fix "usefull" > "useful".
Fixed a small typo in the man page
Fixed a minor indentation issue
Merge pull request #12 from zenptr/master

Two tiny cosmetic changes
fix indent
Merge pull request #13 from pocke/fix_indent

fix indent
Fix compiler warnings.

Declare functions before calling them.  Declare all return types.
Bump version numbers.
Ignore build product.
Merge pull request #16 from jeffs/master

Fix compiler warnings, and have Git ignore build product.