added host string format parsing scheme://hostname:hostport
fixed extensions framework
added paged_search in extend.standard package
fixed typos
modifyied syncwaitrestartable
added checked_attributes infrastructure
added check_values infrastructure for attributes
added attribute format conversion
added attribute format conversion
added customizable forlmatters in format_helper dict
Merged in TWAC/python3-ldap (pull request #1)

Fix allowed_referral_hosts docs
added utf-8 encoding to checked attributes
.hgignore edited online with Bitbucket
updated syntaxes for formatting  checked_attributes
enabled connections to ipv6 only hosts
updated syntaxes for formatting  checked_attributes
decoding generalized time
Issues #8 (accepting IPv6 adddresses) and #9 (Server.name format) fixed.
Server.check_availability() fixed to work for IPv6 hosts.
updated syntaxes for formatting  checked_attributes
generalizedtime parser