Epyk

Added
- Documentation.
- testing framework.
- mocks module to test without data.

Changed
- varName argument and property replaced to js_code.
- HtmlCode replaced by html_code.
- Remove generic attribute ._src and replaced by component and page.
- jsData, jsValue replaced by data and value.
- jsId, varId, varName replaced by js_code.
- jsFnc replaced by js_funcs.

Fixed
- propagate correctly both component and page in page components.

Fixed
- Type annotation issue with python 3.6

Added
- Type annotation in most of the modules.
- Speech recognition module.
- new primitive module to allow static typing.

Changed
- Remove compatibility with python 2.7
- [in progress] standardise the use of _ in the function arguments

Fixed
- Autocompletion issue with decorator
- Fix self contained feature for JavaScript modules.
- Improve documentation

Added
- Add bottomCalc / topCalc to tabulator wrapper.
- Add addTreeChildren event.
- Link external lib interface.
- Add object format function.

Changed
- review common component export function

Fixed
- Tabulator formatter definition.
- Issue in Tabulator hierarchy tables.
- Bug fix in the import manager.

Fixed
- Plotly wrapper enhancements
- Bug fix in NVD3 date conversion
- Bug fix in NVD£ candle chart
- Review Tabulator hierarchy tables (bug https://github.com/olifolkerd/tabulator/issues/3271)

Fixed
Few bug fixes and improvements.