Release Notes - ICE iMpact Multicast Price Feed Handler Java - Version 1.53.0

Improvement

• [JAVAICEIMPACT-662] - Update SecuritySubType enum to version 4.0 (February 23, 2021)
• [JAVAICEIMPACT-411] - BREAKING CHANGE: Rename ILogReader to LogReader
• [JAVAICEIMPACT-410] - BREAKING CHANGE: Rename ILogEntry to LogEntry