Add failing test for chunking a sheet which is not the first sheet, issue #257
Make chunk filter work when sheet was selected, fixes issue #257
Add import/export include charts for PHPExcel_Reader/Writer
Merge pull request #263 from wiseloren/1.2

Add import/export include charts for PHPExcel_Reader/Writer
Add PDF Support fixes #261 Note, chart output is not enabled because that uses proprietary code
Merge pull request #264 from wiseloren/1.2

Add PDF Support fixes #261 Note, chart output is not enabled
Small refactor for PDF export + add ability to use mpdf and tcpdf as well based on config setting + update docs
Make setDateColumns override existing date columns rather than supplement
Merge pull request #273 from harhoo/1.2

Make setDateColumns override existing date columns rather than supplemen...
Move optional dependencies to suggest
Fix composer.json suggests
Fix  called undefined property 'sheet'
Fix warnings with latest PHPExcel develop version
Merge pull request #285 from SKawamoto/1.2

Fix  called undefined property 'sheet'
Merge pull request #289 from Poyeyo/1.2

Fix warnings with latest PHPExcel develop version
Merge pull request #294 from Maatwebsite/1.2

v1.2.3