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git-svn-id: svn://svn.r-forge.r-project.org/svnroot/splm@184 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Reduced dependencies, fixed selective imports, cleaned up require calls


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/splm@185 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Implemented Authors@R -style author info


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/splm@186 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Eliminated calls to nonexported objects from 'spdep'.


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/splm@187 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Removed write.effects.splm()


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/splm@188 edb9625f-4e0d-4859-8d74-9fd3b1da38cb