An easy to convert list to long table

 Say you have a list with different lengths of vectors, e.g. __ head(genesets_list)$KEGG_GLYCOLYSIS_GLUCONEOGENESIS [1] “ACSS2”   “GCK”     “PGK2”    ”PGK1”    ”PDHB”    ”PDHA1”   “PDHA…