Merge pull request #63 from katzwebservices/master

Fix issue with PHP empty() function checking the status of the first line

Merge pull request #50 from cordoval/improvements

various improvements

Merge pull request #25 from gnutix/patch-1

Add mbstring requirement to composer

Merge pull request #11 from goodby/feature/support-multiline-columns

bug fix: CSV exporter cant's output multiple line columns

remove <?php from README