Merge pull request #3 from dineshshetye/master

Merge pull request #1 from hpcc-systems/master
Merge pull request #4 from dineshshetye/master

New functions added.
Merge branch 'master' of https://github.com/hpcc-systems/rHpcc
Merge branch 'master' of https://github.com/hpcc-systems/rHpcc