Updated release script.
Added tag version_1.30 for changeset 5a17bdbc9b07
Bumped version number and updated web page.
Fixed a crash when a symbol definition referred to itself.
Fixed assert when alternative names of 6502 is used.
Treat a million loops as a fatal error because running several passes of that
can take too long.
Compile fixes for Clang 10.
Workaround for swedish output from the hg command.
Point out how the instruction data label is placed in indirect addressing modes.
Added 7 bit ascii conversion format.
Removed a documentation link that didn't work anyway.
Corrected error output to handle was/were correctly.
Added sort method for the list type.
Removed stq (nn,sp),y from 45gs02 instruction set since it became reserved.
Added more graphic character conversions for petscii.
Adapted documentation to mobile devices.
Adapted the web page to mobile devices.