VERSION 1.1.3
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  o Pathview paper published in Bioinformatics

VERSION 1.0.0
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  o Initial release with Bioconductor

  o Main function: pathview

  o Four functional modules: 
    -Downloader: download.kegg;
    -Parser: node.info, combineKEGGnodes, reaction2edge;
    -Mapper: node.map, eg2id, id2eg, cpdkegg2name, cpdname2kegg,
    	     cpd2kegg, cpdidmap, kegg.species.code, mol.sum, 
	     sim.mol.data;
    -Viewer: keggview.native, keggview.graph, node.color, 
    	     col.key, wordwrap, strfit