Moved erase functions
Added empty functions to code the PIC device
Unfinished implementation of Write Code.

* arduimmer.ino: Implemented "Write Code" function.
Now clear buffer after tried to parse the command

* ArduinoCommunication.cs: Implemented integer and byte array write
  functions.
Implemented read all function.

* Hex.cs: New field to get the records.

* HexRecord.cs: Fixed bug getting record type and checksum

* PicProgrammer.cs: Unfinished implementation of 'write code' function