Jobfunnel

This release brings some significant improvements to the JobFunnel codebase:

- Support for localization, for now just `USA_ENGLISH` `CANADA_ENGLISH`
- Abstract base class implementation of JobFunnel and Scrapers with abstract get() and set() style of API
- Addition of `remote` and `wage` scraping (to be implemented for indeed and monster)
- Updated scraping for Monster and Glassdoor
- Improved CLI argument clarity (`load` and `inline`)
- Implementation of Cerberus for Schema and validation of YAML configuration files
- Significantly improved preemption of scraping and filtering of results to minimize get requests
- Implementation of inter-scraper OO features such as `Job` `JobField` and `JobFilter`
- Capability of updating CSV job contents when encountering a newer duplicate

... and others.

Thanks to our contributors :100:
bunsenmurder thebigG studentbrad

In this release:
- addition of a webdriver
- significantly increased code coverage
- implementation of a dynamic scraper for GlassDoor (try it out by enabling `GlassDoorDynamic` in your settings.yaml)

Thanks to our contributors for this release!
thebigG studentbrad Arax1

The tests folder was moved outside of the JobFunnel package. It is no longer included in the installation.

Additional changes by thebigG and studentbrad include:
- More code coverage
- Coverage reports

New date filter made by thebigG as well as improved CLI and log path fixes.
* Added a date filter so that you can now prevent adding jobs to the masterlist which are older than a configurable `max_listing_days`
* Added additional options for CLI (i.e. `funnel -kw Java --city 'New York' -p NY --domain com`)
* Added Windows support in log path calculations

Fixes the pip installation by including package data.

User enhancements made by markkvdb including:
* configuration validation
* proxy settings

Unit tests for better code coverage made by studentbrad and markkvdb including:
* `test_countries.py`
* `test_parse.py`
* `test_tools.py`
* `test_validate.py`

For more information on unit tests see 55.