Added IN_RANGE operation in StatsOracle queries WHERE processing.

This will work for both uint and float.
To exercise this new feature, virt_mem and cpu_share information can now be used to index CPU Info Stats for analytics, control, config and compute.

E.g.
./stats.py --table AnalyticsCpuState.cpu_info --where "cpu_info.cpu_share=0.0<0.01" --select cpu_info.cpu_share UUID cpu_info.module_id --last 1h

This checkin also fixes a merge issue (with the conf file changes) which broke db_hander test.