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CHANGELOG : The Hamster BF Compiler
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Jon Simons (simonsj at the domain ccs dot neu dot edu)
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v0.04    11/11/2008
  Added LLVM assembly emitting.

v0.03    9/23/2008
  Ported to mzscheme version 4!
  Added dead-loop elimination module to optimizations.
  Fixed small bug with Java IN emitting.
  Refactored emitter modules for code clarity ('emit' helpers).

v0.02    3/30/2008
  Added x86 assembly emitting for 16-bit MASM.
  Changed MIPS assembly to use bytes instead of words for cells.
  Changed Java and C emitting to use 'char' instead of 'int' for cells.

v0.01    2/15/2008
  First release of code that was written 9/8/2007.
  Emit modules for IR, Java, C, and MIPS assembly, with multiplication and
  zero collapsing optimizations.