bump poiji 2.5.0 and add the caseInsensitive feature

update pom version 2.4.0, include contributors-all

update javadoc poijioptions

update readme version 1.22.0

release new version 1.21.0

update pom 1.20.0

Merge pull request ozlerhakan#71 from ozlerhakan/1.19.2

version 1.19.2

update pom version 1.19.1

update readme

update pom version 1.18.1