Merge branch 'release/2.0.1' into develop
Post Release: Version 2.0.2 -> 2.0.2dev.
Version 2.0.2dev -> 2.1.0dev to allow hotfixes
test rrdValues for similar len to expected values

rather than just being non-empty
Merge pull request #19 from zenoss/feature/better-expression-handling

test rrdValues for similar len to expected values
Merge branch 'develop' of https://github.com/zenoss/ZenPacks.zenoss.CalculatedPerformance
Making sure that value is pickable
moving value eval at a later step
Fixing typo
Merge pull request #21 from zenoss/ZEN-11832

Zen 11832 - rebased.
Don't send empty params ever.

Hub will now at least send 'targets' and 'expression' when things are wrong.
Collection method now will allow some missing things from the params dict.
Merge pull request #24 from zenoss/feature/ZEN-11832

Fix ZEN-11832: Don't send empty params ever.
Merge branch 'develop' of https://github.com/zenoss/ZenPacks.zenoss.CalculatedPerformance into develop
Since we are adding values twice in rrdValues (once with targetDatapoint key and once with (targetDatasource, targetDatapoint) as key) we need to make sure we are measuring it right.
Merge pull request #27 from zenoss/feature/ZEN-11810

Since we are adding values twice in rrdValues (once with targetDatapoint...
values of 0 are needed
Merge pull request #29 from zenoss/feature/5xcompat

values of 0 are needed
5x compat
removed log
Merge pull request #30 from zenoss/feature/newperfcache

5x compat