2012/10/05: add mpv.R, bns.test.R, mpv.Rd, bns.test.Rd
2012/12/13: add noisy.sampling.R, noisy.sampling.Rd
            modify bns.test.R, cce.R, llag.R, mpv.R, bns.test.Rd, cce.Rd, llag.Rd, mpv.Rd
2012/12/19: modify cce.R
2012/12/19: modify cce.R, noisy.sampling.R
2012/12/22: modify cce.R
2013/02/06: modify rng.R
2013/02/11: modify cce.R
2013/04/13: modify asymptotic_term_second.R, asymptotic_term_third.R, asymptotic_term_third_function.R, cce.R, llag.R
2013/04/13: modify qmle.R
2013/04/14: modify qmle.R
2013/04/14: modify adaBayes.R
2013/04/14: modify bns.test.Rd, mpv.Rd
2013/10/28: add cce_functions.c
            modify cce.R, llag.R, sim.euler.R, bns.test.Rd, cce.Rd, llag.Rd, mpv.Rd, noisy.sampling.Rd
2013/10/28: modify llag.R
2013/10/30: modify cce.R, cce_functions.c
2013/11/21: modify llag.R
2013/11/22: modify cce.R, cce_functions.c
2014/04/28: modified qmle, added carma, modified lasso
2014/05/04: modified show method, setYuima sets the sampling from the data if sampling is missing
2014/07/07: modified llag.R, llag.Rd, cce_functions.c; estimated cross-correlation functions are converted to values in [-1,1]
2014/07/31: fixed setSampling and print methods
2014/09/08: fixed a bug in cce_functions.c
2014/09/23: added Compound Poisson simulator
2014/11/10: fixed a bug in cce_functions.c
            changed the optimization method of the method "QMLE" of cce
            modified cce.Rd
2014/11/11: fixed a bug in cce.R (method "GME")
            modified the example of cce.Rd
2015/04/02: fixed a bug in rng.R (function "rstable")
2015/04/21: added hyavar.R, hyavar.Rd (asymptotic variance estimator for HY)
            fixed a bug in llag.R
            modified cce.Rd, cce_functions.c
2015/05/14: fixed a bug in cce_functions.c
2015/09/01: fixed a bug in cce_functions.c
                  add some contents to the examples of cce
2015/10/10: modified llag.R, cce.Rd, llag.Rd, mpv.Rd, noisy.sampling.Rd, cce_functions.c
                  added mllag.R, mllag.Rd (multiple lead-lag detector);
                          spectralcov.R, spectralcov.Rd (spectral covariance estimator)
2016/01/14: modified rng.R, rng.Rd, adaBayes.Rd, qmle.Rd, setModel.Rd, spectralcov.Rd
2016/05/26: added rpts and rnts in rng.R and the corresponding c language file
2016/07/08: fixed some bugs in llag.R and cce_functions.c
2016/10/04: modified setMultiModel.R, sim.euler.R and yuima.model.R to generate nts and pts process
2016/12/16: added rGIG, rGH, dGIG and dGH in rng.R and the corresponding c language file YU
2017/01/25: modified sim.euler.R and added euler.c to implement the Euler-Maruyama scheme by the C code (only the diffusion case)
2017/02/23: modified sim.euler.R and removed euler.c due to a memory corruption
                  fix a bug in sim.euler.R
2017/03/27: added IC.R and qmleLevy.R
2017/04/12: fix a bug in sim.euler.R
                  (re-)added euler.c 
2017/04/27: modified qmleLevy.R, qmleLevy.Rd, IC.Rd
2017/09/09: boot package is imported
            added llag.test.R, llag.test.Rd
            modified llag.R, bns.test.Rd, llag.Rd, mllag.Rd, hyavar.Rd, cce.Rd, cce_functions.c
2018/01/16: a bug in computation of asymptotic variances in llag is fixed
            the default value of tol of llag is changed to 1e-7
            modified llag.R, llag.Rd, cce_functions.c 
2018/04/12: a bug in cce is fixed
2018/10/30: modified IC.R, IC.Rd
2018/12/4: a bug in euler.c is fixed
           modified cce.R, hyavar.R, llag.R, sim.euler.R
2019/4/8: modified adaBayes.R
2019/7/19: added cce.factor.R, cce.factor.Rd
           modified llag.test.Rd, bns.test.Rd, hyavar.R, mpv.Rd, mllag.Rd, llag.Rd, cce.Rd, spectralcov.R, JBtest.Rd, snr.Rd