Added changeOfBase.js. Haven't added tests because I'm not sure what the question is.
Added changeOfBase.js. Haven't added tests because I'm not sure what the question is.

ucsb-cs-education/project-awesome,wolfenbarger/project-awesome,ucsb-cs-education/project-awesome,project-awesome/project-awesome,wolfenbarger/project-awesome,project-awesome/project-awesome,project-awesome/project-awesome