Fortran-language-server

Improvements
* Add support for find_references, global and top-level module objects only
* Filter autocomplete suggestions for callable objects in call statements
* Speedup initialization and updates on large projects by accelerating construction of USE tree

Fixes
* Fix parser error with definitions requiring enclosing scopes in include files and unnamed programs, fixes [17](https://github.com/hansec/fortran-language-server/issues/17)
* Fix parser failure with visibility statements in included fortran files, fixes [16](https://github.com/hansec/fortran-language-server/issues/16)
* Fix detection of lines with trailing comments

Improvements
* Automatically trigger autocomplete on `%` character
* Show named interfaces and prototypes in document outline
* Add support for autocomplete without prefix filtering

Fixes
* Fix occasional language server error in autocompletion with class methods

Improvements
* Add support for fortran submodules, fixes [14](https://github.com/hansec/fortran-language-server/issues/14) and [15](https://github.com/hansec/fortran-language-server/issues/15)
* Improve line tokenization and parsing

Fixes
* Fix parsing errors with incomplete function definitions
* Fix bugs in symbol and parser debugging

Fixes
* Improve unicode file handling with Python 3.x
* Add support for unnamed programs, fixes [13](https://github.com/hansec/fortran-language-server/issues/13)

Fixes
* Fix parser error with uppercase characters in scope names, fixes [11](https://github.com/hansec/fortran-language-server/issues/11)
* Add support for object names with a leading underscore, fixes [9](https://github.com/hansec/fortran-language-server/issues/9)
* Do not report diagnostics inside preprocessor if statements, fixes [7](https://github.com/hansec/fortran-language-server/issues/7)

Improvements
* Improved Windows support and added AppVeyor CI testing
* Add support for snippets in autocompletion
* Ignore requests in comment sections

Fixes
* Fix bug with string/byte handling in Python 3
* Fix bug with multiprocess support on Windows
* Fix bug with URI formatting and paths on Windows, fixes [8](https://github.com/hansec/fortran-language-server/issues/8)