- bigger cleanup in callvm code * changed init of most callvms to reuse code and for consistency * removed unused functions * general changes for consistency * added some missing cconv defines do mode calls - fixed potential buffer overrun on arm64 - fixed sparc and x64 mode setting (only one mode, but wasn't (pointlessly) resettable) - error code handling (dcGetError) changes, flag is now cleared (work still underway) - Changelog update

Daniel Adler <dadler@uni-goettingen.de>
Tassilo Philipp <tphilipp@potion-studios.com>
Olivier Chafik <olivier.chafik@gmail.com>
Erik Mackdanz <erikmack@gmail.com>
Masanori Mitsugi <mitsugi@linux.vnet.ibm.com>