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 This document details changes between ifchk 1.0.7 (current release) and
 ifchk 1.0.6 (previous release).
===========================================================================

+ ifchk start-up code modularization into smaller function specific
  components (e.g, signal set creation, program event loop/signal
  handling).
  Written in preparation of integration of SIGHUP handler for configuration
  file reload of a running ifchk process.
