SD015 - SIPs 132, 135, 145, 149, 151

SIPs 132, 135, 145, 149, 151 are presented to the Spartan Council. Note: Unfortunately SIP 149 was not included in the recording.  Links: SIP-132: Add Volume Program SIP-135: L2 Shorting SIP 145: Debt Cache Event Consistency SIP 149: Deprecate Binary Options SIP-151: Migration Contracts for Upgrades