Added comment on lazy element creation with Chains

Fixes issue #44
Merge pull request #214 from bruttenberg/DEV2.2.2

Added comment on lazy element creation with Chains
Updates for v2.2.2
Merge branch 'DEV2.2.2' of https://github.com/p2t2/figaro into DEV2.2.2
Merge pull request #1 from p2t2/DEV2.2.2

Dev2.2.2