Pointless fixes

- Consistent whitespaces.
- Removed useless break; statements after return;
- Avoid numbers in identifier names.
- return is a statement/keyword of the language, not a function.
Merge pull request #3 from nitrix/patch-1

Pointless fixes because Kurt is a noob at C
added more functions and allowed for accurate division
Corrected the errors in README and the simple.c file
level 2