in module pecoff_symbols_in_program read base_of_date for 64 bit windows (now ported to 64 bit windows)

Fix "Error reading symbol table" when auxiliary entries are in the symbol table and the symbol table is located at the end of the executable. Auxiliary entries count as symbol entries.

Fix "Error reading symbol table" when auxiliary entries are in the symbol table and the symbol table is located at the end of the executable. Auxiliary entries count as symbol entries.

add modifications in 2 commits from Arjan Oortgiese: The function id generated by the C backed was used. For example the Lambda function name is \;19;31;5.6, the 6 is used instead of the 5. We remove thus first the function id from the C backed before processing the name. and Remove C backend function number.

use n>>1 instead of n/2

add member types with strictness annotations to {!} and {#} instances (the compiler currently adds these annotations)