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

add events

add a static libary and fix interrupts

print a message when a key is pressed

enable subscribing to an interrupt and set up the PIC

end tasks when they trigger an exception

enable freeing of memory

add passing data to a syscall

use registers for passing data to system calls

add the ability to create multiple services and repair inter-service communication

add port IO syscalls

clean up syscall code