added function to find orthologs in table

renamed columns to avoid naming inconsistencies bt. datasets

improved figure size handling in paired_dotplot; added util function to map categorical variable levels to each other

- made centering the smaller paired dotplot optional
- cluster outlines are now colored by their UMAP colors in coexpr. plots

now correctly plots when connections contains genes without pairs

fixed minor typo in function name

fixed an error that excluded mmseqs2 annotation from being included in dotplots; added LUT (lookup table) handling to preprocessing for convenience

made scran import silent; script to integrate two processed adjacent timepoints and find pseudo-ancestors