Release planning for 1.1.0

[tribbloid]

ETA: unknown

This will be the first major upgrade in 6 months, with the following new features and bugfixes

• Indented formats for Refined types and Tuple types #111
• Differentiating ambiguous type texts for type diff and type bound evidences #112
• Attach existential context & alias annotations to type text on demand #113
• Refined type signature may be hidden #102
• Implicit search error should ideally explain type reduction process #101
• diff of compound types #34
• Print full path / truncated path of a path-dependent type? #44
• API/settings cleanup for new features added to 1.1.0 #117

The following feature(s) has been pushed to a later major upgrade:

• Add more verbose mode for implicits #73