4.2.2009 arthur.allignol@fdm.uni-freiburg.de

	- bug correction

9.1.2009 arthur.allignol@fdm.uni-freiburg.de

	- Modification of sir.cont.Rd 

9.12.2008 arthur.allignol@fdm.uni-freiburg

	- Modification of print and summary
		- new arguments
	- cov.dna now in C

19.11.2008 arthur.allignol@fdm.uni-freiburg.de

	- Modification of the print an summary methods
	- Now result of summary is printed via print.summary.etm()
	- In etm: better handling when there's no event between (s, t]


14.10.2008 arthur.allignol@fdm.uni-freiburg.de
	
	- Bug correction: now works when there is only 1 transient state.
	- Speed-up:
		* Modification of the part which transforms
		the data into counting process
		* Modification of the C++ routine
		that is now faster nd computes the increments
		of the Nelson-Aalen estimator
	- Add a plot function
		
	
