fixes #128 by making sure no null tag list could break the process
Fixes #140
Always use absolute path for Asciidoctor base path.
Fixes #141
Updated use of the AsciidoctorJ API.
Updated tests to detect issue.
[maven-release-plugin] prepare release v2.3.2
[maven-release-plugin] prepare for next development iteration
Merge pull request #129 from Riduidel/fix-for-128

fixes #128 by making sure no null tag list could break the process
Merge branch 'master' of https://github.com/jbake-org/jbake into pull-request-for-extracted-rendering-tools