Fixed URL parsing so it's now properly giving 404 for URLs like `http://example.com//////site/about`

1. It results in much smaller download and takes less disk space (25MB instead of 180MB for yii-basic + dependencies).
2. It requires less utilities to be installed (no VCS binaries required).
3. It takes less time to install dependencies.

Add handler property to yii\web\Session

and 7ba6a063

Fixed label attributes in BaseHtml

fix when $_SERVER['HTTPS'] is "ON"

when $_SERVER['HTTPS'] is "ON" it doesn't work well

also ignore tests and vendor

api doc generator

* master: (27 commits)
  fixed div/0 issue in console progress bar
  console HelpController use correct script name
  support table aliases for ActiveQuery::joinWith().
  guides fixed/improved
  CS fix
  improved fixture controller
  Added back border to debugger toolbar.
  #1788 info about retaining the default scenario
  fixes #1606
  Default name and title added to GitHub auth client.
  added classes to grid, list and detail view
  fixed basic app travis
  debugging travis
  debugging travis
  added debug toolbar background to have line separators
  fixed paths in travis.yml
  reverted 1e4c1eca to get a working debug toolbar
  fixed issue with too long th columns in debugger
  enabled acceptance tests for basic application
  run basic app functional tests within the main repo test chain
  ...

fixed readme