various optimizations
disabling some antialiasing for colorbars + paletting
returning Ellipsis object for no time slice + real arrays in fix_data
partial done optimizations + caching (non-working commit)
removing unused imports
refactored more stuff
added kernprof profiles
performance optimizations + refactoring
Merge branch 'master' of https://github.com/jblarsen/pydap.responses.wms