Utf8-conversion without checking illegal Unicode characters according to vote. Refs: #19.
(see http://forum.blackboxframework.org/viewtopic.php?f=4&t=154)
Optimzation of error detection in 3-byte sequences according to WenYing Luo: testing for ch < 0 is not required.
Kernel.LoaderHook.ThisMod: parameter 'name' changed to ARRAY OF CHAR according to Helmut Zinn: this avoids some Utf8-conversions.

Signed-off-by: Josef Templ <josef.templ@gmail.com>