Run Pretty: Make inclusion / exclusion options accept test index

[fdefelici]

Currently -i / -e options accepts expressions involving Suite name and Test name.

When running test using pretty report a test index is shown:

So eventually could be usefull allow include/exclude options to accept also test indexes, like this:

• <program> -i 1 will run the test with "01" index
• <program> -e 2 will run the test with "01" and "03" index

This kind of change will have a huge impact on test filtering process, because filtering happen while retrieving test symbols while test index is assigned after when test run (depending on the number of test executed)

NOTE:

• to update commandline api documentation
• to update help command

[fdefelici]

Better introducing this feature after #97 has been implemented