Git Ignore: more highlight / Git Rebase: add missing commands

Git Ignore:

Add for Include et Exclude:

• Glob: ? and *
• Escape: \
• Director Separator: /
• Glob Range: [...] [!...] [^...]
• Glob Inner Range: ... from the previous example
• Character Class: [:...:] [=...=] [.....] in a range

For Include only

• Prefix: ! as first character

Git Rebase:

• Add break, drop, label, reset, merge, update-ref