Features

Implemented Features:

live parser: The parser detects syntactic errors during code writing and mark them at the corresponding points in the code with an error message complaining about what's wrong.
syntax highlighting: Special keywords are highlighted
auto-proposal: A window presenting input alternatives which can fit in the context

scoping: A validation if declarations are available in the current scope
multi file support: The parser can refer to declarations done in a different but invoked script file
Quickfixes: A functionality that can propose automatically corrections for your mistakes
Format: This will format your source code to a standard format for increased readability if you wish so
Outline: That's a kind of structure diagram of your code ehich allows you to easily navigate to the part of the code you are searching for

If you miss a feature you can create an issue with the label "enhancement" and propose that particular feature. I will see what I can do.