Installation warnings: storing paths too long

[tetomonti]

Need to fix:
WARNING: Added dependency on R >= 3.5.0 because serialized objects in serialize/load version 3 cannot be read in older versions of R. File(s) containing such objects: ‘BS831/data/TCGA.BRCA25.rda’
─ building ‘BS831_1.20.0.tar.gz’
Warning in utils::tar(filepath, pkgname, compression = compression, compression_level = 9L, :
storing paths of more than 100 bytes is not portable:
‘BS831/docs/articles/docs/DiffanalysisRNAseqComparison_files/accessible-code-block-0.0.1/empty-anchor.js’
Warning in utils::tar(filepath, pkgname, compression = compression, compression_level = 9L, :
storing paths of more than 100 bytes is not portable:
‘BS831/docs/articles/docs/Dimensionality_Reduction_files/plotly-htmlwidgets-css-1.52.2/plotly-htmlwidgets.css’
Warning in utils::tar(filepath, pkgname, compression = compression, compression_level = 9L, :
storing paths of more than 100 bytes is not portable:
‘BS831/docs/articles/docs/GeneSetProjectionASSIGN_files/figure-html/plot assign scores and gene expression-1.png’
Warning in utils::tar(filepath, pkgname, compression = compression, compression_level = 9L, :
storing paths of more than 100 bytes is not portable:
‘BS831/docs/articles/docs/GeneSetProjectionASSIGN_files/figure-html/plot assign scores and gene expression-2.png’
Warning in utils::tar(filepath, pkgname, compression = compression, compression_level = 9L, :
storing paths of more than 100 bytes is not portable:
‘BS831/docs/articles/docs/GeneSetProjectionASSIGN_files/figure-html/plot assign scores and gene expression-3.png’