molweight and molformula are null if not present in compound info
check whether there is any forMolecule info for compound pharma
uniprot seeAlso links can be a singleton
add the wikipathways provenance info to pathway info
pathways prov in combined file
Added version number to the api url

Some of the examples given don't work if 1.3 is not added to the url
Update README.md
Merge branch 'andrawaag-master' into develop
Contributors added. CS URI might be default one for compound search
combined file
assay organism name for target class pharma
check that target class pharma result has assayOrganismName defined
add some provenance info to target class pharma.
change URI to URL in compounds.
add new prov info to tests
[GLOBAL-107] add cw provenance to compound info
Add latest params to example. remove some of the example since code is
repeated and can be found in the tests or source. Bump version
bumped version number to 2.0.2
typos in readme