1.10.0

Changes:

• fix typo in package type (@GromNaN)
• add original file to list of parsed/compiled files (@greew)
• replace default null values to empty string (@kristaps777)

make scssserver compatible with scssphp 1.5.0 (#5)

Authored-by: Tim Schoondergang <tim.schoondergang@timmit.nl>

Squashed commits:
* some little changes because op Deprecation warnings
* make it oldstyle again
* better example in readme
* force scssphp 1.5.0 and up