ui
Merge pull request #2 from aliab/ui

User Interface
Use ZipArchive and prepare JSON API
Merge branch 'master' into ui
fix htaccess
detect correct urls
improve url address and some fixes
Version 0.8.2 update readme
fix course name bug
version v0.8.3 optimized process
some fixes
ui fix
Merge branch 'master' into ui
error handler added
error handelr function now work
error handler v.1 finished
Merge pull request #3 from aliab/ui

Ui
Version v0.8.4 fix bugs and update UI
error not showing another text, fix
retry btn added