Add DAT formatted line parser
initial ip_filter
Make code easier
additional peer filtering
Fix DAT parsers tests for windows, add new files
Fix unittests for Mac OS X
filter foud peers by ip
Merge branch 'ip-filter' of https://github.com/qmule/libed2k into ip-filter

# Please enter a commit message to explain why this merge is necessary,
# especially if it merges an updated upstream into a topic branch.
#
# Lines starting with '#' will be ignored, and an empty message aborts
# the commit.
fix bug with operator priority
Compile improvement
Merge branch 'ip-filter' of https://github.com/qmule/libed2k into ip-filter
Rename filter to dat_rule
Fix warnings
Merge branch 'develop' into ip-filter
Merge branch 'ip-filter' into develop