Work in progress - performance analysis tool and tests
Adding sample builds, rearrange perftest tool structure
More work on perf tool, update binaries
Add more material for perf testing
Update Performance.fs
Fix indexOrdinally, take, takeLast for #153
Faster row access #153
Fix off by one indexordinally error
Add groupRowsByIndex / groupColsByIndex
Remove group by columns, optimize lookups in Series
Fix lookup error in GetObservation
Fix selector in groupRowsUsing
Added cumulative count/sum/prod/min/max per #152
Fix small inconsistency for #152
A bit of cleanup for #152
Added aggregateRowsBy for #157
Clean up logic a bit for #157
Added format parameterizing per #108
Added interpolation / linear interpolation to series per #79
Reset fsproj file