__get_value function - ast.literal_eval on a str type to get a str type is returning SyntaxError

[HenleyKuang]

1. Python version python --version
   3.6.8
2. Test Junkie version pip show test_junkie
   Name: test-junkie
   Version: 0.7a3
   Summary: Modern Testing Framework
   Home-page: https://www.test-junkie.com/
   Author: Artur Spirin
   Author-email: as.no.replies@gmail.com
   License: UNKNOWN
   Location: c:\serp_storage.venv\lib\site-packages
   Requires: coverage, colorama, configparser, psutil, appdirs, statistics
   Required-by:
3. Platform aka Windows 10 or Linux Mint 18.1
   Windows 10
4. Command used, if running via terminal

tj config update -s "C:\serp_storage\tests\test_serp_storage.py" --html_report "C:\serp_storage\report.html"
tj run

5. Smallest code snippet that can reproduce the issue and /or description of the issue

(.venv) PS C:\serp_storage> tj run
[INFO] Scanning: C:\serp_storage\tests\test_serp_storage.py ...
[INFO] Scan finished in: 0.90 seconds. Found: 1 suite(s).
[INFO] Running tests ...
[ERROR] Unexpected error during test execution.

Traceback (most recent call last):
  File "c:\serp_storage\.venv\lib\site-packages\test_junkie\cli\cli_runner.py", line 271, in run_suites
    quiet=args.quiet)
  File "c:\serp_storage\.venv\lib\site-packages\test_junkie\runner.py", line 131, in run
    self.__settings = Settings(runner_kwargs=self.__kwargs, run_kwargs=kwargs)
  File "c:\serp_storage\.venv\lib\site-packages\test_junkie\settings.py", line 48, in __init__
    self.__print_settings()
  File "c:\serp_storage\.venv\lib\site-packages\test_junkie\settings.py", line 65, in __print_settings
    value=self.html_report, type=type(self.html_report)))
  File "c:\serp_storage\.venv\lib\site-packages\test_junkie\settings.py", line 192, in html_report
    key="html_report", default=Settings.__DEFAULT_HTML)
  File "c:\serp_storage\.venv\lib\site-packages\test_junkie\settings.py", line 99, in __get_value
    value = ast.literal_eval(value)
  File "C:\Users\hkuang\AppData\Local\Programs\Python\Python36\lib\ast.py", line 48, in literal_eval
    node_or_string = parse(node_or_string, mode='eval')
  File "C:\Users\hkuang\AppData\Local\Programs\Python\Python36\lib\ast.py", line 35, in parse
    return compile(source, filename, mode, PyCF_ONLY_AST)
  File "<unknown>", line 1
    C:\serp_storage\report.html
     ^
SyntaxError: invalid syntax

value = C:\serp_storage\report.html
type(value) = <class 'str'>

Expected behaviour

Actual behaviour

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[ArturSpirin]

@HenleyKuang Fix will be available in version 0.7a4