add input buffering for the shell

check if a message should be printed to the main vga screen by checking if any syscall in the 'syscall stack' is the foreground process

pass keyboard input to shell

remove old log function, make \n mandatory for printing a new line

route the shell service to the vga output

rewrite general IO using an IO-manager

parse ps2 key codes

add system call to look up the names of functions

add basic stack tracing ability

notify other tasks of a exception happening ...

subscribe to the interrupt 0 to be notified about exceptions

gracefully handle crashes of a user mode programm

fix interrupts occuring while in user mode

rename service proivder to service function ...

now matches the documentation in the wiki

add kernel events ...

kernel events get triggered by the kernel when certain things happen.
first example: log a message whenever a new programm is loaded from the initrd

improve log format by padding space for service names

add source service names to log messages

add formating print function

make malloc functions accessible to user mode programs

log to vga display

fix compile flags to prevent errors

add color to vga text display

add system call to request memory ...

print hi to vga screen

reorganize hlib source code

use string identifiers for events ...

(some rework of the string saving system was required)

use stringmap for communication between processes

use saved strings for service interaction system calls

add discard string system call

add read string syscall

add stringmap insert and read length functions

seperate log into log file and a parallel driver