Maintenance release. This release is focused primarily on TemplateProcessor.

Changes

• Changed visibility of all private properties and methods of TemplateProcessor to protected. - @RomanSyroeshko #498
• Improved performance of TemplateProcessor::setValue(). - @RomanSyroeshko @nicoSWD #513

Bugfixes

• Fixed issue with "Access denied" message while opening Sample_07_TemplateCloneRow.docx and Sample_23_TemplateBlock.docx result files on Windows platform. - @RomanSyroeshko @AshSat #532
• Fixed PreserveText element alignment in footer (see Sample_12_HeaderFooter.php). - @RomanSyroeshko @SSchwaiger #495