Merge pull request #1 from timgates42/bugfix_typo_output

docs: fix simple typo, ouput -> output

[libu] fix inconsistency in u_string_detach_cstr

[queue] avoid complaints about redefined macros

[libu] json test += 1

[b64] missing include for compilation on linux

[hmap] fix bad free() in hmap_clear() when user owns data

[libu] boh!

[libu] b64 module added

[libu] changelog and version update

[libu] fix mem leak in json indexer

[libu] add #-escaping to doxy docs + fix possible makl regression in configure

[libu] escape '#' in config

[net] be more tolerant with missing setsockopt() (was causing bind() failures on some platforms)

[libu] leave a debug trace with errno details when bind/connect fails