Changes in sparseFLMM v0.4.1.tar.gz * fix bug in computation of FPCs using FAMM approach when N_B is zero

Changes in sparseFLMM v0.4.0.tar.gz (Update date: 2021-01-17): * add option to allow for nested model structure * add option to allow skew-symmetric and cylcic smooths

Changes in sparseFLMM v0.3.1.tar.gz (Update date: 2020-10-11): * depend on higher version of refund

Changes in sparseFLMM v0.2.2.tar.gz (Update date: 2018-03-26): * replace rBind and cBind by rbind and cbind as they are depricated.

Changes in sparseFLMM v0.2.1.tar.gz (Release date: 2017-09-23): * fix for triangular covariance estimation; only use products {ij}{i^j} with t_{ij} t_{i^j} when i i^and with t_{ij} < t_{i^j} otherwise.