fcambus/ansiweather — pull request #38 by joshmoore (2013-11-23 13:10:51+00:00)
Title: Handle sunrise and sunset being unset

For "Walluf, Germany", the sunrise and sunset variables
were being left unset resulting in:
```
./ansiweather: line 211: [: 1385212168: unary operator expected
./ansiweather: line 211: [: 1385212168: unary operator expected
```