Fix behavior for apps that register multiple times, as well as a memory leak in that case.
Fix behavior for apps that register multiple times, as well as a memory leak in that case.

tectronics/growl,morganestes/morganestes-growl,nochkin/growl,SalrJupiter/growl,tectronics/growl,doshinirav/doshinirav-myversion,coltonfisher/coltonfisher-growl,an0nym0u5/growl,nochkin/growl,chashion/growl,timbck2/growl,nkhorman/archive-growl,xhruso00/growl,Shalaco/shalzers-growl,nkhorman/archive-growl,timbck2/growl,coltonfisher/coltonfisher-growl,timbck2/growl,ylian/growl,nkhorman/archive-growl,coltonfisher/coltonfisher-growl,Shalaco/shalzers-growl,chashion/growl,SalrJupiter/growl,morganestes/morganestes-growl,nagyistoce/growl,nkhorman/archive-growl,an0nym0u5/growl,coltonfisher/coltonfisher-growl,chashion/growl,tectronics/growl,xhruso00/growl,Shalaco/shalzers-growl,tectronics/growl,chashion/growl,Shalaco/shalzers-growl,ylian/growl,doshinirav/doshinirav-myversion,chashion/growl,SalrJupiter/growl,morganestes/morganestes-growl,Shalaco/shalzers-growl,nkhorman/archive-growl,doshinirav/doshinirav-myversion,morganestes/morganestes-growl,Shalaco/shalzers-growl,coltonfisher/coltonfisher-growl,xhruso00/growl,xhruso00/growl,an0nym0u5/growl,timbck2/growl,Shalaco/shalzers-growl,doshinirav/doshinirav-myversion,CarlosCD/growl,an0nym0u5/growl,ylian/growl,SalrJupiter/growl,nochkin/growl,timbck2/growl,CarlosCD/growl,nochkin/growl,SalrJupiter/growl,ylian/growl,nochkin/growl,xhruso00/growl,doshinirav/doshinirav-myversion,CarlosCD/growl,SalrJupiter/growl,coltonfisher/coltonfisher-growl,timbck2/growl,nagyistoce/growl,nagyistoce/growl,an0nym0u5/growl,coltonfisher/coltonfisher-growl,Shalaco/shalzers-growl,doshinirav/doshinirav-myversion,Shalaco/shalzers-growl,morganestes/morganestes-growl,tectronics/growl,ylian/growl,nochkin/growl,nkhorman/archive-growl,an0nym0u5/growl,Shalaco/shalzers-growl,CarlosCD/growl,CarlosCD/growl,doshinirav/doshinirav-myversion,tectronics/growl,Shalaco/shalzers-growl,chashion/growl,ylian/growl,CarlosCD/growl,CarlosCD/growl,nagyistoce/growl,xhruso00/growl,morganestes/morganestes-growl,nagyistoce/growl,nagyistoce/growl