Add ResultRow.IsNil() + ResultRows.IsNil() + minor doc updates
Add test on GetAll with missing keys
Merge pull request #16 from jfbus/master

Add ResultRow.IsNil() + ResultRows.IsNil() + minor doc updates. Fixes #11
Updated readme to include link to examples
[BC break] Have RunRow return (*ResultRow, error) instead of *ResultRow
Merge pull request #22 from jfbus/master

[BC break] Have RunRow return (*ResultRow, error) instead of *ResultRow
Merge remote-tracking branch 'origin/master' into devel