Reimplement arrays

[Spydr06]

Currently, Arrays in CSpydr get treated exactly like their C counterparts. Meaning only the data gets stored in memory.

Changes:

• Arrays will be laid out in memory like this:

  +-----------------+---------+---------+---------+---------+-------...
  | length (8 byte) | indices (variable size determined by the data type)
  +-----------------+---------+---------+---------+---------+-------...

• Change to the index operator x[] Add a simple offset of 8 bytes when an array type is detected. Interaction with pointers will not be changed to keep compatibility with C.

• Change of the len keyword: The len keyword will now be able to get the first 8 bytes - the length of the array directly and is no longer bound to constant arrays

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Development is going to happen in the new-arrays

[Spydr06]

Done and merged into main Arrays now include their size making it possible to pass arrays of different sizes to functions and variables (VLAs, internally pointer to the array). The len operator now returns the first 8 bytes of the array.