Fix@format string is not a string literal (#14)

* fixed format string is not a string literal warning

* added cran comments

* updated NEWS.md

* updated CRAN-SUBMISSION file

Fix@rchk warning (#7)

* fixed `rchk` warning

* updated .gitignore

* removed unused 'RES' variable

* updated Date field

* updated CRAN comments

* Added CRAN submission

Fix@compilation warning on m1 macs (#6)

* Fixed a compilation warning on M1 macs.

* use `lang2` instead of string evaluation

* fixed more CMD check warnings

Fix@cran blas (#3)

* Fixed compilation error in R 4.2.0
See https://cran.r-project.org/doc/manuals/r-devel/R-exts.html#Fortran-character-strings ans
https://www.stats.ox.ac.uk/pub/bdr/BLAS/README.txt

* Use roxygen2 and markdown for documentation

* Changed maintainer

* import head and tail from utils in order to suppress cran note

* remove news.md from Rbuildignore

* updated cran-comments and README

* Fixed BLAS compilation error also on dist.cpp

* Added a comment regarding rchk

* update CRAN-SUBMISSION