fix remove.edge scoping
Merge pull request #511 from mirubenstein/api

fix remove.edge scoping
nodeText now displays in IE 10
Merge pull request #514 from nunayerBeezwax/ie_nodeText

nodeText now displays in IE 10
Merge branch 'release-0.4.1' of https://github.com/GraphAlchemist/Alchemy into release-0.4.1
Can create new nodes and edges