removed old, broken test and added new dummy test
added unit test for data entry syntax handle
added test for data entry syntax showData method
added helper tests (cleanData and column)
added test for helper->_addPrePostFixes
added test for helper->_resolveData
added test for helper->_formatData
added test for helper->_replacePlaceholdersInSQL
improved helper tests
added missing helper->_formatData cases
added test for helper->_parse_filter
added test for helper->_get_filters
added test for helper->_a2ua
added helper->_aliases test
added test for IO_WIKIPAGE_WRITE action handler
added test for HTML_SECEDIT_BUTTON event handler