Set logger include into LIBED2K_DEBUG
Fix size limit warning and add unit test
#37 add tree search test
Correct announce expression
Add bracket processing to search expression parser, temporary off some unit tests
Small code optimization
Repair unit tests
Merge branch 'develop' into search-parser
Merge branch 'search-parser' into develop
Support server.met files
Fix warnings
Add small helper
Add additional helpers
Remove ambiguous helper, add operators to server_entry
fix comments
Merge branch 'develop' of https://github.com/qmule/libed2k into develop

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#47 fix links decoding
Remove useless hello
do not check a hash on start upload due to mldonkey's weirdness
added transfer state: need_save_resume_data