waqasbhatti/astrobase: astrobase v0.3.3

New stuff

• checkplot: added all new star features to checkplot dict objectinfo
• cpserver: added implementation for neighbors tab
• cpserver: add GAIA neighbors, dereddened colors, color classes to web interface
• services.skyview: add sizepix param, gracefully handle older cache fnames
• checkplotlist: add a default sortorder and sortkey (objectid - asc)

• checkplot: fix broken coordutils imports for checkplot_png, et al.
• checkplot: add extra guards against measurements being all nan or not enough finite values
• checkplot.checkplot_pickle_to_png: guard against missing or insufficient neighbor LCs
• checkplot: fix checkplot_png download of finder charts
• checkplotlist: fix various horrendous bugs when no sorting/filtering specified
• cpserver js: fix long-broken arbitrary period, epoch, etc. input
• lcproc: check if a neighbor LC actually exists before processing it
• lcproc: guard against insufficient measurements for neighbors too
• plotbase: fix long-broken stamp fetch that tests ignored
• starfeatures.neighbor_features: correctly handle case where there are no GAIA neighbors