1.2.1

• Fix undefined variable on FormatDateTimeParser.

1.2.0

• Add management of date and time parsing and conversion into compliant database string format.

1.1.3

Minor fixes of case of empty string value.

1.1.2

Minor fixes of README.md.

1.1.1

• Minor fixes for PHP 5.6.

1.1.0

• Add support for expressions with simple logical operators and without parenthesis. The or operator is writen with -, the and operator is written with + ;
• Update minor composer dependency versions.

1.0.0

Initial release.