SR-4 Updated current_spectra to hold an hours worth of data in shared memory to allow access to most current data. Updated dbControl's getRange function to use changes in current spectra. Altered dbControl to calculate hourly statistics and save them to a file. Altered rfi_event to provide RFI_event detection. Altered all of them to handle different bands automatically depending on the mode set in rfi_monitor. Altered rfi_monitor to use all of the new functionality added into other classes.