implemented OPERA melting point prediction

added get_properties option to ResolveChemical and exposure.py to only get some properties like MP, and added show_properties flag to exposure.py to show/hide properties

increased ceramic detection MP to 1000 C ... just in case

Added output explaining when ceramic is detected

Inverted metals logic to catch low Mw metals

added metal error page

debug report formatting change

added metals/ceramics logic

debugging pythonanywhere

better error checking and xlsx->tsv

added MP lookup and various bug fixes

bug fixes to density lookup

density sigfigs

added density lookup

added error output if Mw < 100 g/mol

added basic LogP calculation w/ rdkit

changed local files

added basic error handling to CAS type input

cleaning up a bit

added image of molecule to output

new branch with chem id functionality started

fixed a typo

updated function names

tidying things up

blueprint for exposure module