Merge branch 'release/1.5.1' into develop
Fixed bug about NPE raised from JsonHash#getXxxOrNull refs #29
Fixed bug about NPE raised from JsonArray#getXxxOrNull closes #29 refs #29
Merge branch 'feature/id/29/getXxxOrNull' into develop
Fixed NPE from JsonHash property refs #28
Applied formatter to pom.xml
[maven-release-plugin] prepare release jsonpullparser-1.5.2
[maven-release-plugin] prepare for next development iteration
Updated dependency project's version
Merge branch 'release/1.5.2'