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+ ! Fixes a bug in the peephole (`-O3`) optimizer
+ Improved speed for `Integer` / `Unteger` operations
+ Improved speed for `Byte` / `Ubyte` operations
+ Improved speed for some 32 bit operations (`Ulong`, `Long`, `Fixed`)
+ Improved code speed for `-O3` optimized level
+ Improved travis and bitbucket pipelines CI (cache, added pypy)
+ ! Fixes and improvements to the ESXDOS library (by mcleod_ideafix)
+ Added new ESXDOS sample program (directory tree listing)