Pysaql

What's Changed
* LEXIO-37889 Adds concat, fixes relative date unit enum values by jdrake in https://github.com/NarrativeScience/pysaql/pull/5


**Full Changelog**: https://github.com/NarrativeScience/pysaql/compare/v0.5.0...v0.6.0

What's Changed
* LEXIO-37885 Move alias methods to base Expression class by jdrake in https://github.com/NarrativeScience/pysaql/pull/4


**Full Changelog**: https://github.com/NarrativeScience/pysaql/compare/v0.4.0...v0.5.0

What's Changed
* LEXIO-37885 Adds math functions by jdrake in https://github.com/NarrativeScience/pysaql/pull/3


**Full Changelog**: https://github.com/NarrativeScience/pysaql/compare/v0.3.0...v0.4.0

What's Changed
* LEXIO-37880 Adds support for group by all by jdrake in https://github.com/NarrativeScience/pysaql/pull/2


**Full Changelog**: https://github.com/NarrativeScience/pysaql/compare/v0.2.0...v0.3.0

What's Changed
* LEXIO-37867 First pass at SAQL query builder by jdrake in https://github.com/NarrativeScience/pysaql/pull/1

New Contributors
* jdrake made their first contribution in https://github.com/NarrativeScience/pysaql/pull/1

**Full Changelog**: https://github.com/NarrativeScience/pysaql/commits/v0.2.0