Fortls

Fixed

- Fix bug in USE ONLY accounting used for graph pruning, fixes [122](https://github.com/hansec/fortran-language-server/issues/122)

Changed

- Add support for USE statement renaming requests, ref [109](https://github.com/hansec/fortran-language-server/issues/109)
- Add support for argument information in variable hover requests, fixes [107](https://github.com/hansec/fortran-language-server/issues/107)
- Add support for disabling snippets in autocomplete results, fixes [112](https://github.com/hansec/fortran-language-server/issues/112)
- Prevent file AST updates on Open/Close requests when contents have not changed, ref [105](https://github.com/hansec/fortran-language-server/issues/105)
- Reduce unnecessary parsing with single line file changes
- Debugging: Add support for printing full result object

Fixed

- Remove required space between "DOUBLE PRECISION" and "DOUBLE COMPLEX" definitions, fixes [110](https://github.com/hansec/fortran-language-server/issues/110)
- Fix requests when a user-defined type variable has the same name as a defined type used in that scope

Fixed

- Fix parsing single line WHERE statements with trailing parentheses, fixes [106](https://github.com/hansec/fortran-language-server/issues/106)
- Fix erroneous object duplication diagnostics for DO, INTERFACE, etc. blocks
- Remove erroneous "unimplemented procedure" diagnostics from abstract type definitions
- Fix parsing bugs with semicolons in trailing comments

Fixed

- Fix bug with requests in lines with tab characters, fixes [93](https://github.com/hansec/fortran-language-server/issues/93)
- Fix bug with requests following "WRITE(\*,\*)" statements

Changed

- Add full support for ASSOCIATE statements, fixes [101](https://github.com/hansec/fortran-language-server/issues/101)
- Filter completion suggestions after "MODULE PROCEDURE" statements, fixes [103](https://github.com/hansec/fortran-language-server/issues/103)
- Filter completion suggestions in type-bound procedure links
- Add support for including external source file directories
- Diagnostics: Line length exceeds maximum length errors
- Speedup language server initialization
- Speedup "textDocument/references" requests

Fixed

- Fix case preservation in hover requests, fixes [102](https://github.com/hansec/fortran-language-server/issues/102)
- Fix rename requests for type-bound procedures without an explicit link statement (ie. "=>"), fixes [104](https://github.com/hansec/fortran-language-server/issues/104)
- Fix incorrect "CONTAINS" diagnostic errors with procedure pointers and external interfaces
- Fix bug in diagnostic construction/reporting (introduced in v1.7)
- Fix bugs caused by accidental modification of child object lists