PostgreSQL library with:
 - varbit functions and operators
 - aggregation and deaggregation integer
   to varbit and backward
 - boolean aggregators
 - bytea to integer conversion and backward
 - inet to integer conversion and backward
 - IP address aggregation type, aggregator
   and deaggregator, functions and operators
   with IP address aggregation type
 - inet composer and decomposer
 - printf analogue
 - text quoting functions
 - text array comparison functions and operators