PSR-2 Fix: Control structure body must be enclosed by braces
PSR-2 Fix: Opening braces for classes must go on the next line
Fixed typos
Merge pull request #28 from pborreli/typos

Fixed typos
Merge pull request #24 from duncan3dc/psr-2

Updates to conform to PSR-2
allowed for array of arrays in column data, trimmed the result
allowed for uneven arrays in array of arrays columns
Added support for labels on the advance() method
Merge pull request #33 from duncan3dc/advance-label

Added support for labels on the advance() method