HighlightUsageTagger cleans up markers if current symbol is started with underscore
SourceCodeClassifier uses the lexer to fix inaccurate ranges returned by FCS for multiline method chains
Upgrade to Fantomas 1.1.0

Fix #268.
Fix #42.
Fix #32.
Merge pull request #272 from dungpa/upgrade-fantomas

Upgrade to Fantomas 1.1.0
Use FSharpDisplayContext for formatting types
Add a few more tests
Complete a few missing patterns

Fix #273
Merge pull request #267 from vasily-kirichenko/highlight-refs-fix

Fixed: HighlightUsageTagger does not clean up markers if next current symbol is started with underscore
Merge pull request #271 from vasily-kirichenko/fix-method-chains-colorizing

Fix inaccurate ranges returned by FCS for multiline method chains
Merge pull request #276 from dungpa/interface-tests

Fix a few issues with Implement Interface