History:
1.7.8: 03/04/18 O. Sallou - Detect process execution failure (out of memory, etc.) and display error message
1.7.7: 08/12/17 O. Sallou - Fix *not* and *spacer* contraints when reaching end of sequence (last characters)
1.7.6: 07/12/17 O. Sallou - Fix endConstraint, was comparing end position + 1 instead of end position
1.7.5: 09/09/16 O. Sallou - Fix way to load characters from sequence file to increase performance
1.7.4: 08/01/16 O. Sallou - Fix multiexec error message display
       08/04/16 O. Sallou - Add *HALT1* in grammar to stop a search at first match in a definition (see test/halt.logol example)
                          - Update antlrworks release to work with Java 8
1.7.3: 28/05/15 O. Sallou - Fix in repeat definition (allow not to specify
spacer)
       17/10/15 O. Sallou - Fix index test existence (performance impact)
1.7.2: 05/04/15 O. Sallou - Enhance cassiopee search performance
                            Manage Out Of Memory error in xslt transformation
                            Support JAVA_OPTS env variable in cmd line for
                            LogolExec and LogolMultiExec
1.7.1: 25/04/14 O. Sallou - Fix version in build.xml
1.7.0: 16/04/14 O. Sallou - Add support for Cassiopee C implementation
1.6.10: 06/02/14 O. Sallou - Bug fix in search with substitutions
1.6.9: 20/11/13 O. Sallou - Add windows support for swi-prolog
                          - fixes on view with begin constraint
1.6.8: 05/11/13 O. Sallou - Add windows support (external and custom cost functions not available)
                          - Upgrade Sicstus support to v4.2
1.6.7: 31/10/13 O. Sallou Bug on multiple model chaining
1.6.6: 30/10/13 O. Sallou Bug on morphisms and documentation
1.6.4: 11/10/13 O. Sallou Bug 2243, Bug 2244
1.6.3: 04/10/13 O. Sallou - Add comments in grammar
                - Fixes in overlap and distance search
1.6.2: 24/05/13 O. Sallou - Fix overlap+range usage in repeats
1.6.1: 13/03/13 O. Sallou - Show number of match per input seq in stdout
1.6.0: 15/02/13 O. Sallou - Various bug fixes and stability updates
1.5.0: 21/06/12 O. Sallou - Public release
