Some reformatting.
Update .hgrc file.
Update Gradle to version '1.8-rc1'.
Fix script after Gradle update.
Fix javadoc.
Update 'TestNG' version to 6.8.7.
Fix bug in ListIterator implementation.
The 'set' method of the 'ListIterator' implementation of the 'Seq' classes throw 'IndexOutOfBoundsException', depending on the iteration direction (next or previous).
Fix bug in ListIterator implementation of the 'Seq' classes.
Update version to 1.4.1.
Prepare for version v1.4.1.
Added tag v1.4.1 for changeset ccfef0c49811