Sigma tools release 0.11

Sigma tools release 0.10

Sigma tools release 0.9

Sigma tools release 0.8

Sigma tools release 0.7.1

Sigma tools release 0.6

Sigma tools release 0.5

Sigma tools release 0.4

* Various bug fixes in quoting of specific characters
* New backend es-dsl

Sigma tools release 0.3.3

Sigma tools release 0.3.2