Bump version to 3.5.3

Release 3.5.2

Version bump to 3.5.1

Merge pull request #46 from uploadcare/bump-3-5

Bump version to 3.5

Tagging version 3.4.0

Remove deprecated parent and update Sonatype plugin

Add copyright to the license

Disable JavaDoc linter.

bump lib version in rest api helper

Merge pull request #8 from uploadcare/issue-1-threading

Issue 1 threading