v1.09 Tue Mar  3 01:33:18 UTC 2015
    - Complete switch to YAML::CacheLoader

v1.08 Mon Mar  2 03:38:04 UTC 2015
    - Switch to YAML::CacheLoader for LoadFile

v1.06 Mon Feb  9 13:53:25 UTC 2015
    - fix for missing futures

v1.05 Mon Feb  9 09:37:55 UTC 2015
    - attribute market added to underlyings.yml