added mid-value sorting
added mid-value sorting

buchslava/vizabi,logicerpsolution/vizabi,Rathunter/vizabi,Gapminder/vizabi,jdk137/vizabi,sergey-filipenko/vizabi,Gapminder/vizabi,buchslava/vizabi,jdk137/vizabi,IncoCode/vizabi,TBAPI-0KA/vizabi,alliance-timur/vizabi,TBAPI-0KA/vizabi,sergey-filipenko/vizabi,Rathunter/vizabi,maximhristenko/vizabi,vizabi/vizabi,alliance-timur/vizabi,sergey-filipenko/vizabi,homosepian/vizabi,jdk137/vizabi,TBAPI-0KA/vizabi,Gapminder/vizabi,homosepian/vizabi,acestudiooleg/vizabi,IncoCode/vizabi,buchslava/vizabi,maximhristenko/vizabi,alliance-timur/vizabi,Rathunter/vizabi,IncoCode/vizabi,logicerpsolution/vizabi,maximhristenko/vizabi,dab2000/vizabi,homosepian/vizabi,logicerpsolution/vizabi,dab2000/vizabi,acestudiooleg/vizabi,dab2000/vizabi,acestudiooleg/vizabi,vizabi/vizabi