Summary of important user-visible changes for instrument-control 0.2.1:
-------------------------------------------------------------------

  ** GPIB: New functions:
        spoll
        trigger
        clrdevice
        fopen
        fclose
        fwrite
        fprintf
        fscanf

  ** I2C, TCPIP, USBTMC, VXI11: New functions:
        fopen
        fclose

  ** SERIAL: Add Win32 support

  ** SERIAL: New functions:
        fclose
        fopen
        get
        set

  ** SERIAL: Deprecate functions, use set and get instead:
        srl_baudrate
        srl_bytesize
        srl_close
        srl_flush
        srl_parity
        srl_stopbits
        srl_timeout


Summary of important user-visible changes for instrument-control 0.2.0:
-------------------------------------------------------------------

 ** Support for TCP interface I/O

 ** Support for USBTMC interface I/O

 ** Support for GPIB interface I/O

 ** Support for VXI11 interface I/O

 ** The following functions are new:
        tcp
        tcp_read
        tcp_write
        tcp_timeout
        tcp_close
        usbtmc
        usbtmc_read
        usbtmc_write
        usbtmc_close
        gpib
        gpib_read
        gpib_write
        gpib_timeout
        gpib_close
        vxi11
        vxi11_read
        vxi11_write
        vxi11_close

 ** Interfaces are now compiled seperately (i.e. failed compilation of one
    interface does not mean fail of whole package)

 ** Parallel and i2c interface support for FreeBSD platform

 ** i2c_write no longer accepts strings for data parameter


Summary of important user-visible changes for instrument-control 0.1.0:
-------------------------------------------------------------------

 ** Initial release

 ** Support for Parallel interface I/O

 ** Support for Serial interface I/O

 ** Support for i2c interface I/O

 ** The following functions are new:
        serial
        srl_close
        srl_read
        srl_write
        srl_baudrate
        srl_flush
        srl_stopbits
        srl_bytesize
        srl_parity
        srl_timeout
        i2c
        i2c_addr
        i2c_read
        i2c_close
        i2c_write
        parallel
        pp_ctrl
        pp_stat
        pp_close
        pp_data
        pp_datadir

