change default api ver to 26.0
change default api ver to 26.0

stomita/node-salesforce,pcon/jsforce,bhaskarmelkani/jsforce,saleswise/jsforce,lkatney/jsforce,bhaskarmelkani/jsforce,saleswise/jsforce,lkatney/jsforce,joeferraro/jsforce,jesperkristensen/jsforce,jdcrensh/jsforce,jdcrensh/jsforce,nutthawan/jsforce,saleswise/jsforce,jsforce/jsforce,pcon/jsforce,joeferraro/jsforce,polidog/jsforce,nutthawan/jsforce,parthiban019/jsforce,jsforce/jsforce,pcon/jsforce,rdietrick/jsforce,kimchouard/jsforce,parthiban019/jsforce,jesperkristensen/jsforce,jsforce/jsforce