Fixed console multiline behavior

[KidFashion]

Fixed the annoying behavior of booish.exe when a command spills on multiple line, i've tested it with delete, history, autocompletion, indent, key arrows and insert.

[KidFashion]

Build is actually failing because 2 test are failing, they seems not related with the PR because i've noticed that also master, is failing for the same reason.

[masonwheeler]

This looks very nice, and it's something booish has sorely needed for a long time. I can't test it now, but I'll check this when I get home this evening and if it works, I'll merge it. 😄

[masonwheeler]

This works really well, except that if you go beyond one line, the Home and End keys stop working as expected. Home returns the cursor to the home X position on the current vertical row, rather than the beginning of the wrapped-around line, and End raises an unhandled exception.

Can you look into this? If those two keys were fixed, this would be ready to merge. :)

[KidFashion]

Ok i should have fixed Home & End key behaviors, it's still failing the build for the aforementioned two tests but it works on my machine, I did an extra-commit to clean csproj files that were changed (probably by my VS), now the pull request is correctly reporting changing just 1 file (InteractiveInterpreterConsole.boo).

Make me know if it works as intended...

[masonwheeler]

These changes look good. I've noticed one other minor problem, but it's small enough that it's not worth delaying the merge for.

If I write a statement and press ENTER, Booish will print the result on the next line. However, if I write a multiline statement, press HOME, and then press ENTER, Booish will print the result on the next line down from the current cursor position, partially overwriting what I typed in the second line, rather than printing the result on the line after the end of the multiline statement.

Can you come up with a PR to fix this?

Merging and closing this PR now, because it doesn't seem like that's a scenario that is likely to happen very often.