Fixed return type in cpm project file for macos

See merge request clean-and-itasks/clean-ide!20

Cpm project templates

See merge request clean-and-itasks/clean-ide!19

Set ByteCode path in project files by default

See merge request clean-and-itasks/clean-ide!18

Add new settings to set command of cpm CLI

Closes #3

See merge request !17

Abc interpreter improvements

See merge request clean-and-itasks/clean-ide!16

Create separate stages for optimising ABC and generating bytecode, so that the timestamps of these files differ for large projects

Resolve "cpm environment options"

Closes #2

See merge request clean-and-itasks/clean-ide!15

Merge branch 'master' of gitlab.science.ru.nl:clean-and-itasks/clean-ide into 2-wip-cpm-environment-options

Search hierarchically for imported object files

See merge request clean-and-itasks/clean-ide!14

Previously an imported object file:
```
implementation module test.test

import code from "obj.o"
```

Would only search in the roots of the project paths. Now it will als
search in the test/ folder in the root.

Add option KeepByteCodeSymbols to keep the symbol table when stripping bytecode

See merge request clean-and-itasks/clean-ide!12

Only generate new optimised ABC and bytecode when the source file is newer

See merge request clean-and-itasks/clean-ide!11

Add EnvironmentByteCodePrelink and PrelinkByteCode options to prelink bytecode for use with the WebAssembly interpreter