remove mention of caseinsensitive fs in README (#14)

HEX files are now .hex, and we also create binary files (.bin)

added BASIC_PET_V5

fixed several build issues

Fixassembly (#5)

added A2232

added BASIC_MAX_MINI_REC

added BASIC_MAX_REC, KERNAL_MAX_REC

enabled building LOADER_C65 and LOADER_C65_RS232 after ASM6502 LDZ fix

updated dates for C65 source

added BASIC_C64_C65 and KERNAL_C64_C65

added BASIC_C65, GRAPHICS_C65, KERNAL_C65, DOS_C65

updated LOADER_C65_RS232 with newer source

added 6502ASM

added BASIC_C128_03