Keep species with best assembly in get_uniq_species_dict_list() (will be main jbrowse url).

utilities.py

@@ -176,7 +176,7 @@ def get_unique_species_dict_list(sp_dict_list):
 
     for sp in sp_dict_list:
         gspecies = get_gspecies_string_from_sp_dict(sp)
-        if gspecies not in unique_species_dict.keys() or sp["description"]["main_species"] :
+        if gspecies not in unique_species_dict.keys() or sp["description"]["main_species"] == True :
             unique_species_dict[gspecies] = sp
         else:
             continue