organize imports command with option to call on insert import
Organize per import section. For issue #61
Try to be more intelligent as to where the import of a new class goes
Safety tweak to the import section regex.

Just to make sure that it doesn't start sorting into code if the user
forgets to add a ";" at the end of their import statement like I just
did ;)
Tweaked bisect logic for issue #62.
Clarify comments