Merge pull request #1 from physikerwelt/master

merge commits
Merge pull request #2 from physikerwelt/master

merge
Merge remote branch 'upstream/master'
Merge branch 'master' of https://github.com/jimmyli97/mathosphere2

merge git changes
Add outputtest
ResultOutput: working implementation of XML creation
  some bugs, but I don't want to spend more time debugging a data type we probably aren't going to use
ResultData: sample data type? not sure if we can use it or not
Merge pull request #1 from jimmyli97/master

Merge output format