first implementation of invalidations and cache key locking; added graceful FastCGI restart app https://github.com/andreiko/django_graceful; added cache-specific settings; resolved issue in 'search' request regarding SphinxQL parameter escaping - replaced q() function calls; added sp_options data SQL dump; monitoring.sh restarts FastCGI on code changes (development purposes); Redis version required 2.6.0+ (use of 'pexpire' command); *untested commit*