Bug fixes in LP solvers
- the copyLp is clarified
- newLp and copyLp gives back pointers
- cplex gives back empty string for variables without name
- cplex row and column retrieval
- added macro for soplex

 #!/bin/bash

 for((i=1;i<50;i++))

 do

     echo -n $i ''

     edge_lookup 100 $i

 done