CHANGELOG of ChemSpot
----------------------

1.6 - 2013-12-03
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- Updated dictionary file and ids list (ChEBI version 2013-12-03)
- Some improvements in annotation merger component
- Fixed bug where ChemSpot would not process some sentences if they
  weren't annotated properly
- various minor improvements and bugfixes

1.5 - 2013-04-02
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- Improved annotation merging component
- Improved performance of tagging document collections
- Slightly reduced memory consumption and fixed a memory leak
- Adapted output format to print all identifiers instead of just one
- Made all formerly mandatory parameters optional
- Several bugfixes and minor improvements


1.4.2 - 2013-02-20
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- Added new parameter -f for reading a collection of text files
- Bugfixes


1.4.1 - 2013-01-23
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- Optimized parameter evaluation code


1.4 - 2012-11-15
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- Improved match expansion.
- Improved recognition of multi-token entities.
- Improved recognition of plural forms.
- Sanitized application parameter settings.
- Several bug fixes and minor improvements.



1.3 - 2012-10-08
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- New tagger component for chemical formulae.
- Integrated ABBREV tagger for recognition of biochemical abbreviations 
  by Schwartz et al.
- Added multi-threading functionality.
- Improved normalization.
- Made ChemSpot code compliant with Java version 1.6.
- Code refactoring and bug fixes.
