Release 2.3.0

• Issue #12 Add new styles property to sheets

Release 2.2.0

• Issue #10 Allow to only create sheets without saving the file. This way the sheets can be further modified before saving/sending the file
• Make content type configurable in send()

Release 2.1.0

• Issue #9 Make mikehaertl\tmp\File configurable in Excelfile::$fileOptions

Release 2.0.0

• Issue #7: Make writer accessible via getWriter(). Thus the writer class is now configured in $writerClass.

Release 1.0.1

• Fixed related attributes in dot notation