Added changes file and introduced caching mechanism for virtual corpora
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+0.0.1 2016-12-05
+ Krawfish is a simple testbed search backend for KorAP,
+ to test some design concepts for Krill
+ (especially queries, query deserialization, Web API)
+ and some alternative features, like multiple tokenizations.
+
+ Currently Krawfish supports ...
+ - KoralQuery wrapping of
+ - Corpus Queries
+ - Fields
+ - fieldGroups
+ - Span Queries
+ - Classes
+ - Constraints
+ - Exclusions
+ - Positions
+ - Repetitions
+ - Sequences
+ - Terms
+ - Spans
+ - TermGroups
+ - Tokens
+ - Uniques
+ - Support for Query constructs
+ - Corpus queries
+ - Fields
+ - Ands
+ - Ors
+ - Negations
+ - Span queries
+ - Classes
+ - Constraints
+ - Exclusions
+ - Ors
+ - Positions
+ - Repetitions
+ - Terms
+ - Spans
+ - Uniques
+ - Support for Info messages
+ - Support for logging
+ - Simple stream mechanism for postings lists
+ - API draft
+ - Simple caching mechanism
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