Fix hung config (palantir#101)

* Config hang

* Fix config hang

Fix edits that occur at the end of the file (palantir#91)

Handle windows paths in workspace.get_uri_like + test (palantir#87)

* Handle windows paths in workspace.get_uri_like + test

* Guard against module_path=None being passed into get_uri_like

The assumption is that the definition points to the current file instead

* Also quote outgoing uris

* Make sure a colon exists before trying to split a windows path

Add signature plugin back to CORE_PLUGINS (palantir#83)

* Add signature plugin back to CORE_PLUGINS

* Alphabetize imports and plugins listing

Reverse urlencoding (palantir#81)

Unquote parsed urls in both Workspace and Document (palantir#80)

* unquote parsed urls in both Workspace and Document

* Also unquote path used for syspath lookup

* Add test ensuring chars are urldecoded when setting Workspace/Document path

* Unquote before parse, remove unneeded import

* Lint fix

Correct format_document (palantir#74)

Check not dirty

Fix script

Fix signatures as per https://github.com/palantir/python-language-ser…

…ver/pull/41/files (palantir#49)