fixes #112 performance problem with sorting empty arrays
fixes #112 performance problem with sorting empty arrays

quole/gensim,tzoiker/gensim,macks22/gensim,zachmayer/gensim,mattilyra/gensim,piskvorky/gensim,manasRK/gensim,ziky90/gensim,summanlp/gensim,gojomo/gensim,macks22/gensim,Kreiswolke/gensim,dsquareindia/gensim,macks22/gensim,pombredanne/gensim,bhargavvader/gensim,tzoiker/gensim,manasRK/gensim,olavurmortensen/gensim,jaksmid/gensim,RaRe-Technologies/gensim,ELind77/gensim,loisaidasam/gensim,jaksmid/gensim,olavurmortensen/gensim,markroxor/gensim,robotcator/gensim,robotcator/gensim,RaRe-Technologies/gensim,markroxor/gensim,RaRe-Technologies/gensim,manasRK/gensim,pombredanne/gensim,quole/gensim,bhargavvader/gensim,isohyt/gensim,isohyt/gensim,summanlp/gensim,laic/gensim,Kreiswolke/gensim,robotcator/gensim,ELind77/gensim,olavurmortensen/gensim,ziky90/gensim,isohyt/gensim,gojomo/gensim,gojomo/gensim,dsquareindia/gensim,akutuzov/gensim,dsquareindia/gensim,bhargavvader/gensim,quole/gensim,tzoiker/gensim,akutuzov/gensim,piskvorky/gensim,gojomo/gensim,jaksmid/gensim,pombredanne/gensim,Kreiswolke/gensim,zachmayer/gensim,markroxor/gensim,RaRe-Technologies/gensim,summanlp/gensim,akutuzov/gensim,ELind77/gensim,zachmayer/gensim,laic/gensim,davechallis/gensim,mattilyra/gensim,loisaidasam/gensim,laic/gensim,piskvorky/gensim,davechallis/gensim,ziky90/gensim,mattilyra/gensim,davechallis/gensim,loisaidasam/gensim