Updated endpoints to work with TunnelCommunity
check when parsing lines for DiscoveryCommunity
fix a problem that file paths can be unicode
add mid for candidates in statistics
Merge pull request #371 from egbertbouman/endpoint

Updated endpoints to work with TunnelCommunity
Merge pull request #375 from LipuFei/improve_statistics

Add candidate mid in statistics
Merge pull request #372 from LipuFei/fix_discovery_parse_line

check when parsing lines for DiscoveryCommunity
Merge pull request #373 from LipuFei/fix_unicode

Fix a problem that file paths can be unicode