less stringent test in dCopula(*, <t-Cop>)  symmetry


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/nacopula@1083 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
update for release

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/nacopula@1084 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
suddenly `R CMD build` drops man/estim-misc.Rd just because of "Misc" in .Rbuildignore ... arrgh!

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/nacopula@1085 edb9625f-4e0d-4859-8d74-9fd3b1da38cb