fixed ini_skip_empty in README
added test for auto format when writing dates
exchange spaces with tabs
updated changelog
added ExcelSheet::__construct() method to ease customized ExcelSheet classes by extending, changed test 029.phpt which was OS dependent due to auto colWidth()
fixed typo
precised test for ExcelSheet::__construct()
updated ExcelBook docs
fixed type hint for ExcelBook::insertSheet()
Merge branch 'master' of https://github.com/johmue/php_excel into johmue-master

Conflicts:
	ChangeLog
	excel.c
Compiler warning fixes