Merge pull request #343 from apfeffer/DEV3.0.0

Dev3.0.0
Concluding merge
Merge pull request #18 from p2t2/DEV3.0.0

Dev3.0.0
Removed incorrect Container.toArray and made concatenation only apply to arrays
Merge branch 'DEV3.0.0' of https://github.com/apfeffer/figaro into BR_3.0.0