Allow any language supported by Camisole, and 3+ write tests for each one

[Naereen]

• Allow any language supported by Camisole (Ada, C, C#, C++, D, Go, Haskell, Java, Javascript, Lua, OCaml, PHP, Pascal, Perl, Prolog, Python, Ruby, Rust, Scheme) ?
• This is okay from backend ;
• But frontend so far is manual ;
• I should add tests, both in the first_tests.py and json_tests/ folder, for each new languages... so let's do ONE AT A TIME!

New tests for languages

• Ada
• C
• C#
• C++
• D
• Go
• Haskell
• Java
• Javascript
• Lua
• OCaml
• PHP
• Pascal
• Perl
• Prolog
• Python
• Ruby
• Rust
• Scheme