Changes:
- Changes for modernization still in progress
- Remove of python 2.7 support
- flake8 workflow added
- added AST class
- added tests

Changes:
- a2l_lex.py: Updated the A2L Lexer
- test_unit_a2l_lex.py: Pytest added

Changes:
- requirements.txt: added dependencies "lxml", "loguru", "readline", "alive-progress"
- added cli module: allows user to use the a2lparser as an interpreter
- added A2LValidator: syntax check for A2L files
- added AbstractSyntaxTree: utility dictionary class built for accessing the AST
- added rules module: hold yacc grammar in different files for better overview
-  error resolve function implemented in rules

Changes:
- added AbstractSyntaxTree function find_section, find_value
- added more test cases for AbstractSyntaxTree

Changes in progress:
- Refactor lexer, yacc and rules

Changes:
- Windows compability on CLI
- Beautify code, parser logo, loguru logger

… modernize

Changes:
- Lexer rework done

Changes:
- command_prompt: Switch from "pyreadline" dependency to "prompt_toolkit"
- a2l_lex fix: Allow only exact matches of keywords for A2L types and sections
- lex tests: move lexer test cases

Changes:
- Refactoring of grammar rules
- Refactoring of lex tokens, keywords
- Refactoring of test cases for grammar rules

Changes:
- fix build.yml: sperate linux and windows package building

Changes:
- remove old unittest references

Changes:
- Adding "a2lparser_history" file for history of CLI usage
- Adding "logs" folder
- Minor fixes

Changes:
- Code style for grammar rules

Changes:
- Basic error handling
- testcase for "ASAP2_VERSION"  added
- Minor restructuring

Changes:
- created ASTStack, work in progress
- extend error handling, work in progress

Major Changes:
- Updated to ASAM v1.7.1 Standard (Breaking Changes!)
- Error Handling grammar defined (no error resolve)
- New Standard Config (ASAP2_MCD_v171.cfg)

Changes:
- Added A2L to XML converter
- Added xmltodict dependency
- Fixed spelling mistakes

Changes:
- Added more test cases for new A2L 1.7.1 version
- various bug fixes

Changes:
- Completed upgrade to A2L version 1.7.1
- Minor fixes

Changes:
- Added YAML Converter
- Added JSON Converter
- Added XML Converter
- Added A2L Testfiles

TODO's left:
- Error resolve update and testcases
- Finish Integration tests

Changes:
- Added Integration tests
- Reworked A2L Validator module
- Added ASTNodeStack module
- Minor Fixes with optional parameters (VAR_CHARACTERISITIC, VAR_CRITERION, VIRTUAL_CHARACTERISTIC)

Changes:
- Completed simple error handling with discarding invalid datatypes or tokens

Changes:
- Use same docstring style for functions.

Changes:
- Adjusted README to new updated version of a2lparser
- Changes pyproject.toml for pypi
- Improved CLI with code library (removed direct eval call)
- Moved converts from a2l subfolder to converters under root package folder

Changes:
- fixed: correct validation of c-style multiline comments like "/********/".
- fixed: whitespace in AMLTemplate and affected testfiles.
- fixed: a2lparser checks validity of --output-dir argument now

Changes:
- fixed creating of log (prompt history) file on CLI mode for distribution

Changes:
- fixed creating of log (prompt history) file on CLI mode for distribution
- fixed workflows for windows and removed need for tests to pass style check.

… modernize

… modernize

… modernize