updated to elide setting address to 0 when applying pcrel reloc.  pcrel reloc now ignores virtualOffset field

minor fixes for instructions that are likely bogus (i.e., pcrel insns that access out-of-bounds memory)

adjusted pcrel relocs to handle memory operands properly after breaking it for handling arm reg operations

pe32+ support, including detection of multi-level switch tables, and unpinning type4 switch tables from .text segment.

Numerous fixes for dealing with 64-bit addresses found in windows PE files, as well as new capabilities for dealing with data in .text segment for win PE ctors/dtors

1) change set of PSPATH to not overwrite previous settings, 2) name function with program entry point as "_start" 3) populate initial frame sizes

Former-commit-id: 0ca6c079