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    TODO LIST
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* ref list always first ;)
* get rid of static context switch (indexer/notify).
  this should be implementation specific under notify API (and we may try without threads first)
* ini-like config support
* fix mysql module

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  Reference list
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References are tagged in source files by the string 'REF:<number>'

1: refactor to string api 
2: group path handling into one interface (also consider move:ing related stuff from REF:1)