In Exclude.from_ccnb, use a BinaryXMLStructureDecoder to skip decoding the Exclude.  (Implementing decoding is still TODO.)  This closes bug #16.
diff --git a/js/ndnProtocol/modules/ndn-js.jsm b/js/ndnProtocol/modules/ndn-js.jsm
index 4df5b92..fd2e31f 100644
--- a/js/ndnProtocol/modules/ndn-js.jsm
+++ b/js/ndnProtocol/modules/ndn-js.jsm
@@ -87,9 +87,9 @@
 a.peekStartElement(CCNProtocolDTags.InterestLifetime)&&(this.interestLifetime=1E3*DataUtils.bigEndianToUnsignedInt(a.readBinaryElement(CCNProtocolDTags.InterestLifetime))/4096);a.peekStartElement(CCNProtocolDTags.Nonce)&&(this.nonce=a.readBinaryElement(CCNProtocolDTags.Nonce));a.readEndElement()};
 Interest.prototype.to_ccnb=function(a){a.writeStartElement(CCNProtocolDTags.Interest);this.name.to_ccnb(a);null!=this.minSuffixComponents&&a.writeElement(CCNProtocolDTags.MinSuffixComponents,this.minSuffixComponents);null!=this.maxSuffixComponents&&a.writeElement(CCNProtocolDTags.MaxSuffixComponents,this.maxSuffixComponents);null!=this.publisherPublicKeyDigest&&this.publisherPublicKeyDigest.to_ccnb(a);null!=this.exclude&&this.exclude.to_ccnb(a);null!=this.childSelector&&a.writeElement(CCNProtocolDTags.ChildSelector,
 this.childSelector);this.DEFAULT_ANSWER_ORIGIN_KIND!=this.answerOriginKind&&null!=this.answerOriginKind&&a.writeElement(CCNProtocolDTags.AnswerOriginKind,this.answerOriginKind);null!=this.scope&&a.writeElement(CCNProtocolDTags.Scope,this.scope);null!=this.interestLifetime&&a.writeElement(CCNProtocolDTags.InterestLifetime,DataUtils.nonNegativeIntToBigEndian(4096*(this.interestLifetime/1E3)));null!=this.nonce&&a.writeElement(CCNProtocolDTags.Nonce,this.nonce);a.writeEndElement()};
-Interest.prototype.matches_name=function(a){return this.name.match(a)};var Exclude=function(a){this.OPTIMUM_FILTER_SIZE=100;this.values=a};Exclude.prototype.from_ccnb=function(a){a.readStartElement(this.getElementLabel());a.readEndElement()};Exclude.prototype.to_ccnb=function(a){if(!validate())throw new ContentEncodingException("Cannot encode "+this.getClass().getName()+": field values missing.");empty()||(a.writeStartElement(getElementLabel()),a.writeEndElement())};
-Exclude.prototype.getElementLabel=function(){return CCNProtocolDTags.Exclude};var ExcludeAny=function(){};ExcludeAny.prototype.from_ccnb=function(a){a.readStartElement(this.getElementLabel());a.readEndElement()};ExcludeAny.prototype.to_ccnb=function(a){a.writeStartElement(this.getElementLabel());a.writeEndElement()};ExcludeAny.prototype.getElementLabel=function(){return CCNProtocolDTags.Any};var ExcludeComponent=function(a){this.body=a};ExcludeComponent.prototype.from_ccnb=function(a){this.body=a.readBinaryElement(this.getElementLabel())};
-ExcludeComponent.prototype.to_ccnb=function(a){a.writeElement(this.getElementLabel(),this.body)};ExcludeComponent.prototype.getElementLabel=function(){return CCNProtocolDTags.Component};
+Interest.prototype.matches_name=function(a){return this.name.match(a)};var Exclude=function(a){this.OPTIMUM_FILTER_SIZE=100;this.values=a};Exclude.prototype.from_ccnb=function(a){a.readStartElement(this.getElementLabel());var b=new BinaryXMLStructureDecoder;b.seek(a.offset);if(!b.findElementEnd(a.istream))throw new ContentDecodingException(Error("Cannot find the end of interest Exclude element"));a.seek(b.offset)};
+Exclude.prototype.to_ccnb=function(a){if(!validate())throw new ContentEncodingException("Cannot encode "+this.getClass().getName()+": field values missing.");empty()||(a.writeStartElement(getElementLabel()),a.writeEndElement())};Exclude.prototype.getElementLabel=function(){return CCNProtocolDTags.Exclude};var ExcludeAny=function(){};ExcludeAny.prototype.from_ccnb=function(a){a.readStartElement(this.getElementLabel());a.readEndElement()};
+ExcludeAny.prototype.to_ccnb=function(a){a.writeStartElement(this.getElementLabel());a.writeEndElement()};ExcludeAny.prototype.getElementLabel=function(){return CCNProtocolDTags.Any};var ExcludeComponent=function(a){this.body=a};ExcludeComponent.prototype.from_ccnb=function(a){this.body=a.readBinaryElement(this.getElementLabel())};ExcludeComponent.prototype.to_ccnb=function(a){a.writeElement(this.getElementLabel(),this.body)};ExcludeComponent.prototype.getElementLabel=function(){return CCNProtocolDTags.Component};
 var Key=function(){},KeyLocatorType={KEY:1,CERTIFICATE:2,KEYNAME:3},KeyLocator=function(a,b){this.type=b;b==KeyLocatorType.KEYNAME?(3<LOG&&console.log("KeyLocator: SET KEYNAME"),this.keyName=a):b==KeyLocatorType.KEY?(3<LOG&&console.log("KeyLocator: SET KEY"),this.publicKey=a):b==KeyLocatorType.CERTIFICATE&&(3<LOG&&console.log("KeyLocator: SET CERTIFICATE"),this.certificate=a)};
 KeyLocator.prototype.from_ccnb=function(a){a.readStartElement(this.getElementLabel());if(a.peekStartElement(CCNProtocolDTags.Key)){try{this.publicKey=encodedKey=a.readBinaryElement(CCNProtocolDTags.Key),this.type=KeyLocatorType.KEY,4<LOG&&console.log("PUBLIC KEY FOUND: "+this.publicKey)}catch(b){throw Error("Cannot parse key: ",b);}if(null==this.publicKey)throw Error("Cannot parse key: ");}else if(a.peekStartElement(CCNProtocolDTags.Certificate)){try{this.certificate=encodedCert=a.readBinaryElement(CCNProtocolDTags.Certificate),
 this.type=KeyLocatorType.CERTIFICATE,4<LOG&&console.log("CERTIFICATE FOUND: "+this.certificate)}catch(c){throw Error("Cannot decode certificate: "+c);}if(null==this.certificate)throw Error("Cannot parse certificate! ");}else this.type=KeyLocatorType.KEYNAME,this.keyName=new KeyName,this.keyName.from_ccnb(a);a.readEndElement()};