anchor.diff:  dump() ->
       db_call(dump).
   
  +%% @spec create_table ( TableName::string(), TableDefinition ) -> ok | {error, Reason}
  +%% @doc Create a table based on TableDefinition
   create_table(TableName, TableDefinition) ->
       db_call({create_table, TableName, TableDefinition}).
  +
  +table_exists(TableName) ->
  +    db_call({table_exists, TableName}).
   
   %% @spec execute( Commands::iolist() ) -> RetVal
   %% @doc Execute raw database commands on SQL databases
  
positive.code:         push/0,
          pop/0,
  	create_table/2,
          depth/0,
          dump/0,
          execute/1,
  
negative.code: -export([start/1, stop/0]).
  
  -export([
  	 migrate/1,
          find/1, 
          find/2, 
          find/3, 
  