Wrap search_term(s) in "" in order for extra-ordinary search_terms to work (e.g. when including slashes etc.)
Loosen the deps version in median.gemspec to give the inlcuding app more room for its own version constraints
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Enabled bulk requests for local, primo central and mixed sets of doc_ids by backporting search_request builder from celsius-core
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BUGFIX: Make index_field work again
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Escape minus, so it does not behave as NOT
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Moved escaping of '-' in search_term into xml generation (fixes #216)
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Add mssing facets to search result if they are present in search request
Bump version to 0.1.8