Pascal/Delphi binding (#987)

* Pascal/Delphi binding

Pascal/Delphi language binding

* update credits

bindings/pascal/README.md

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+# unicorn-engine-pascal
+
+Pascal/Delphi language binding for the [Unicorn emulator](http://www.unicorn-engine.org/)
+([GitHub](https://github.com/unicorn-engine/unicorn)).
+
+*Unicorn* is a lightweight multi-platform, multi-architecture CPU emulator framework
+based on [QEMU](http://www.qemu.org/).
+
+## License
+
+`GPLv2`
+
+## Compilers Compatibility
+
+#### Free Pascal >= v3 
+  - `Mac OS` 
+  - `Windows` 
+  - `Linux`
+#### Delphi
+  - `Windows`
+## Features
+
+* Same API as the C core 
+  - with some workarounds for Pascals case insensitivity: 
+
+
+    `uc_mem_write()` -> `uc_mem_write_()`, `uc_mem_read()` -> `uc_mem_read_()`
+  - and the missing feature passing variable number of arguments to functions (`...`): 
+    
+    i solve it by using -> `args : Array of Const;` 
+    you can pass args inside [] like :
+    ```pascal
+    uc_hook_add(uc, trace, UC_HOOK_INSN, @HookIn, nil, 1,0,[UC_X86_INS_IN];
+    ```
+    the main loader in `Unicorn_dyn.pas` , check X86 example for more info .
+
+
+* Multiplatform (Mac OS , Windows and Linux are tested)
+
+## Examples
+* `X86` Emulate 16, 32, 64 Bit x86
+
+
+## Version History
+* `1.1`
+    * Add Delphi Compatibility [ Windows ]
+* `1.0`
+    * this is the first version it has all APIs of UNICORN v1.0.1
+
+## TODO
+  - Add more Examples
+  - Add <b>Mac , Linux</b> Support for Delphi