webchem: webchem v0.1.0

NEW FEATURES

• added cts_to() and cts_from() to retrieve possible ids that can be queried.
• cts_(), pp_query(), cir_query(), get_cid(), get_etoxid(), etox_(), pan_query() get_wdid(), aw_query(), get_csid(), cs_prop(), cs_compinfo() and ci_query() can handle multiple inputs.
• pc_prop() queries properties and pc_synonmy() synonyms from PUG-REST.
• added extractors for webchem objects: cas(), inchikey() and smiles().

MINOR IMPROVEMENTS

• rewrite of pubchem functions using PUG-REST
• chemspider: better use of NA in input (=return NA)
• more robust matching in get_etoxid

BUG FIXES

• pan_query() did not return numeric values
• get_cid() failed with multiple results

DEPRECATED FUNCTIONS

DEFUNCT FUNCTIONS

• ppdb_query() has been removed due to copyright issues. The new ppdb_parse() parses only a html, but does not interact with the database
• pan()
• alanwood()
• get_cid()
• cid_compinfo()
• chemid()
• physprop()