Torus

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Added support for Mongo backends via latest kairos

Require the database type in the URI

Redis and Mongo support full suite of URI options

Added "schema_debug" binary to package

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Aggregates can now cascade to other aggregates, with a simple failsafe on
infinite loops

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Update to kairos 0.1.5 with a bug fix for reading data from timeseries with
relative time interval schemas.

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Added support for transforms in a schema, to replace or suppress key/value
pairs.

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Upgrade to kairos 0.1.4 with bug fixes and performance improvements, relative
date support and gauge type

Fixed redis host parsing when no port defined

Change command line parameter "--config" to "--schema"

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Initial release of torus and karbon