applied patch from Anders Blomdell plus minor fixes

lib/c/Makefile

lib/c/labcomm.c

lib/c/labcomm.h

lib/c/labcomm_dynamic_buffer_reader_writer.c

lib/c/labcomm_dynamic_buffer_reader_writer.h

lib/c/labcomm_fd_reader_writer.c

lib/c/labcomm_fd_reader_writer.h

lib/c/labcomm_ioctl.h

lib/c/labcomm_private.h

lib/c/test/labcomm_mem_reader.c

lib/c/test/labcomm_mem_reader.h

lib/c/test/labcomm_mem_writer.c

lib/c/test/labcomm_mem_writer.h

lib/csharp/se/lth/control/labcomm/LabComm.cs

lib/java/se/lth/control/labcomm/LabComm.java

lib/python/labcomm/LabComm.py