Addition of the module Statistic
Indicate the matrices to track
Modification of the algorithm for trace and length
Merge pull request #2 from VincentCheval/Multi_strategy

Multi strategy
Addition of the log option
Addition of help in the main file
Modification of the permissions and addition of the ChangeLog file
Modification of the README and documentation
Update README.md
Update README.md
Fix small bug with the log
Merge branch 'Multi_strategy' of https://github.com/VincentCheval/APTE into Multi_strategy
Merge pull request #3 from VincentCheval/master

Version 0.4beta
Merge pull request #4 from APTE/Strategy_and_statistic

Ready for realise 0.4beta