Merge pull request #32 from pilsetnieks/master

Bugfixes, version number bump
Merge pull request #33 from pilsetnieks/master

Changelog changes
Merge pull request #34 from pilsetnieks/master

Changelog changes
Merge pull request #36 from pilsetnieks/master

Bugfix for when the row count cannot be read from XLS file
added composer.json
Merge pull request #43 from pilsetnieks/master

Bugfixes
Merge pull request #47 from pilsetnieks/master

Fixed a warning
Merge pull request #48 from pilsetnieks/master

Macro-enabled XLSX file support
Merge pull request #40 from matej116/master

added composer.json
Merge pull request #2 from nuovo/master

composer.json