+ int addGroup(string);
+ int removeGroup(string);
+
+ int renameSeq(string, string); //used to change name of sequence for use with trees
+ int setAbund(string, string, int); //set abundance number of seqs for that group for that seq
+ int push_back(string); //add a sequence
+ int push_back(string, int); //add a sequence
+ int push_back(string, vector<int>); //add a sequence with group info
+ int remove(string); //remove seq
+ int get(string); //returns unique sequence index for reading distance matrices like NameAssignment
+ int size() { return indexNameMap.size(); }