Merge pull request #1 from s-u/master

fadd an option to specify R location in hmr
exporting .default.formatter and documenting it
changing mstrsplit option quiet to strict
adding log.file option to hmr to allow piping stderr and stdout
added dstrsplit to support parsing into a dataframe
fixing merge conflict
Merge pull request #5 from statsmaths/master

Implemented changes/additions discussed last week