Google Code-in

We need to check all the code written in the help files of the package from the latest development version of rangemap.

Steps to follow:

1. Install the development version of the package from github
2. Open the help files for each functions and scroll down up to the example code
3. Copy and paste the code in a R source file and try to run it. In case of any errors or problems, report them in issues section of the package. Create new issue for every problem here
4. Make sure you also provide session info with each issue report
5. If all code runs successfully, report it here and make sure to post session info