Fortls

Fixed

- Fix discrimination between end statements and variables with underscores, fixes [73](https://github.com/hansec/fortran-language-server/issues/73)
- Detect enum definitions, fixes [74](https://github.com/hansec/fortran-language-server/issues/74)

Fixed

- Detect and support associate statements, fixes [72](https://github.com/hansec/fortran-language-server/issues/72)

Changed

- Add parsing of DO/IF/WHERE blocks and report scope end errors
- Detect and report errors with invalid parent for scope definitions
- Improve highlighting for hover requests in VSCode
- Downgrade missing use warnings to information level
- Add intrinsic declaration statement "double complex" ([70](https://github.com/hansec/fortran-language-server/pull/70))

Fixed

- Fix bug with leading whitespace on visibility statements, fixes [69](https://github.com/hansec/fortran-language-server/issues/69)
- Fix parsing errors when "&" and "!" characters are present inside string literals
- Fix parsing bug with multiple leading function/subroutine modifiers (PURE, ELEMENTAL, etc.)

Fixed

- Fix detection of function definitions with leading module and variable statements, fixes [66](https://github.com/hansec/fortran-language-server/issues/66)
- Properly close remaining open scopes at end of file
- Initialize scope "eline" property, [PR 67](https://github.com/hansec/fortran-language-server/pull/67)

Changed

- Improve handling of different file encodings, [PR 57](https://github.com/hansec/fortran-language-server/pull/57)

Fixed

- Fix autocomplete results for inherited members of user-defined types when the member type definition is only available in parent type's scope

Changed

- Add support for generic interfaces in type-bound procedures, [64](https://github.com/hansec/fortran-language-server/issues/64)
- Add parent scope information to masked variable errors, [48](https://github.com/hansec/fortran-language-server/issues/48)

Fixed

- Fix parsing deferred length character definitions, [61](https://github.com/hansec/fortran-language-server/issues/61)
- Fix parsing function definitions with modifiers before type, [63](https://github.com/hansec/fortran-language-server/issues/63)
- Fix parsing with array construction in subroutine/function calls, [60](https://github.com/hansec/fortran-language-server/issues/60)