corrected the detection of variation in the start codon

inference.py

@@ -274,7 +274,7 @@ for cds_id in cds_var.keys():
             
             print("variation",index+1, ":")
             
-            if posVar[0]<=3:
+            if posVar[0]<3:
                 print("variation of the start codon, mRNA most likely wont be translated")
                 #findOtherStart(cds,segments_on_target_genome) # for now we don't look for another start codon
                 break