Веб-монитор и html-парсер

9/8/2019

- added Json parsing feature, it's implemented by JsonPath library
- added help buttons to the template setting screen
- now when you choose "notify only on condition" at notification settings screen, notifications will arrive not once, as it was before, but every time the result changes and satisfies the specified condition
- fixed issue when comparing fractional numbers when checking notification conditions
- code optimizations