ability to suppress warning and informational messages

[yamadaissaku]

allow ability to suppress warning and informational messages using “-err_only”. For example, this would work:
java -jar mol2wurcs2.jar -ID PUBCHEM_COMPOUND_CID tmp.sdf -err_only

Making this output:
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129626205 Cannot find a Backbone in the molecule.
Symmetry backbone: hdxdh
class org.glycoinfo.WURCSFramework.wurcs.graph.Monosaccharide:posM:0
Symmetry backbone: hdxdh
class org.glycoinfo.WURCSFramework.wurcs.graph.Monosaccharide:posM:0
˜
Become this output:
˜
129626205
˜