Adding MellonMergeEnvVars (optional) functionality
Allows to concatenate env. variables values
in single variable name, ie:

VAR=val1;val2;val3;...

instead of standard mod_auth_mellom behaviour:

VAR=val1
VAR_0=val1
VAR_1=val2
VAR_2=val3
...
Merge pull request #9 from jaroslawp/master

Adding mulitple-valued ENV variables option to mod_auth_mellon