The file contains information about the changes (amendments) in the package PANUKL.
Version from 27.04.07 was considered as v.1.0

1.01 (7.05.07):
- change in the working file locations, including Panukl.ini, files [. log];
  files from that time are located in the directory .panukl, which is created
  in the "home directory" (eg C:\Documents and Settings\user);
  This directory is created when you first start package
  also creates a default Panukl.ini file 
- default data directory and the results are subdirectory Panukl on the home directory
- add options in the installer:
  creating additional icons on the desktop and the Quick Launch bar,
  selection and installation Xfoil
- fixes bugs in the record and read Panukl.ini concerning catalogs
1.01-1 (8.05.07)
- amendment affiliated with the names of directories with a space
- comments in output files in English
1.01-2 (9.05.07)
- amendment in Neigh (automatic adjustment in the absence of data on
  track along the not existing fuselage)
1.01-3 (10.05.07)
- increase the precision (up to 5 characters after the decimal point) in the files .inp and .dat
1.02 (14.05.07)
- add an image control by mouse (left button - shift,
  right - rotation 'yaw', left and right - rotations "pitch" and "roll"
  wheel - scaling)
- add a feature that removes the control keypad
- the first Linux version
1.02-1 (18.05.07)
- amendment of the conversion profile geometry Xfoil->Panukl
  (Temporarily only in MS Windows)
1.02-2 (21.05.07)
- amendment of the conversion is included into Linux version
1.02-3 (28.05.07)
- correction of the error resulting in display of colors scale in the settings window
1.03 (2.07.07)
- added the polar diagrams calculated by Xfoil
  (temporarily only in MS Windows)
1.03-1 (4.07.07)
- added graphs to the Linux version
1.03-2 (30.07.07)
- take into account the lateral components in computing of the rolling moment
1.03-3 (27.08.07)
- fixed Windows installer
1.03-4 (3.09.07)
- amendment of signs: slip angle (Beta) tilt and angular velocity (R)
  (Temporarily only in MS Windows)
1.03-5 (10.09.07)
- amendment of signs: slip angle (Beta) on the output
  amendments read and write the file .ini
1.03-6 (25.09.07)
  amendments regarding the connections surface patches (connections_V) in the case when contacted obliquely
  ie, none of it is not exactly vertical or horizontal (temporarily only in MS Windows)
1.03-6.1 (26.09.07)
  1.03-6 Linux version
1.03-7 (17.12.07)
  native files/directories chooser - the version of MS Windows
1.03-8 (14.01.08)
  add application icons to the window (Microsoft Windows)
1.03-9 (1.02.08)
  the addition of gray scale for the pressure distribution (temporarily only in MS Windows)
1.03-9-1 (1.02.08)
  the addition of gray scale for the pressure distribution in the version for Linux
1.04-1 (2.04.08)
  added a program Fuselage (MS Windows version)
1.05-1 (27.11.08)
  changes in appearance and a few small fixes
1.05-2 (3.12.08)
  patches + new version for Linux
1.05-3 (17.12.08)
  minor fix in Neigh - protection against "bad" neighbors on wake (odd 100000)
1.05-4 (29.01.2009)
  minor changes
1.06-1 (8.02.2009)
  add an option to save image - two formats: JPG and BMP, the latest version only for Windows
1.07-1 (20.02.2009)
  modify the procedures for solving equations - Accelerate computation
1.08-1 (23.02.2009)
  integration of the Fuselage with Panukl + Help system - is far from empty (MS Windows version)
1.08-2 (24.02.2009)
  integration of the Fuselage with Panukl + Help system + patch (MS Windows + Linux)
1.09-1 (16.07.2009)
  Help in Polish + Mesh patch
1.10-1 (18.10.2009)
  added a program to improve the connecting neighbors grids + process + networks merge
  Mesh with options left and right halves + added a warning dialog box
  the numerical errors in the major modules
1.10-2 (12.11.2009)
  new patch + Help + sample data files for the airplane with engine nacles,
  both versions of MS Windows and Linux
1.11-1 (8.12.2009)
  fixes + added a window for viewing results in plain text + auto
  recognition of the operating system language and communication as your default language
  for Help (temporarily only MS Windows)
1.11-2 (10.12.2009)
  fixes + change the appearance of the window to determine the neighbors + added
  save images in PNG files (temporarily only MS Windows)
1.11-3 (14.12.2009)
  various minor improvements - both versions - the latest version running under Linux 2.4,
  next will now just under 2.6
1.12-1 (6.01.2010)
  examples included with the staff version of the installation + necessary options in
  beginning of the library profiles
  manual in English + update of manual in Polish (temporarily only MS Windows)
  no description of the latest features in the manual
1.12-2 (24.02.2010)
  recent changes included in the version of Linux. Setup under Linux
1.12-3 (2.03.2010)
  changes only for Linux - static linking of Xfoil + Usage mimeopen for Help
1.12-4 (3.03.2010)
  change the appearance of installers + minor maintenance of Xfoil + usage xdg-open for Help
1.2 (7.04.2010)
  change the default directory layout (home)/PanuklProjects/...
  included a new version of Xfoil (Windows 6.96, 6.97 Linux)
  added the manual for Xfoil
  the possibility of connecting a version Xfoil-owned by the user
  Some minor maintenance facilities for Xfoil
  expanded collection of profiles
  the possibility of four file formats for profiles, directly from Mesh
  added functionality to search for profiles in the library files by the program Mesh
  soon - update manual + editor MS2 files!
  due to changes in the system catalogs is recommended to users (who updates the software)
  remove the old INI file (in directory (HOME)/.panukl)
1.2-1 (8.04.2010)
  minor corrections + minor improvements and maintenance profiles Xfoil
1.21b (11/04/2010)
  "beta" version of editor MS2
1.22 (20/04/2010)
  added the "status bar" in the main window
1.23 (22.04.2010)
  removal of a number of minor faults in MS2editor
  add "DoubleClick" in the choice of profiles, wings, connections in the MS2editor
1.24b  (08.04.2011)
  minor corrections and new compilation with FTLK 1.3 (only MS Windows)
1.24   (21.04.2011)
  minor corrections + new compilation with FTLK 1.3 + correction of Xfoil call

1.5 beta0 (06.02.2012)
  significant changes:
  new format for data files (ms2) - ver. 3
  new mesh generator, that supports both formats of ms2 files (ver.2 and 3)
  new MS2 editor - can read both formats - saves data only in ver.3 format
  new objects, that define the geometry:
    module wings
    nacelle wings (ring wings)
    fuselage described analytically
  smoothing of pressure distribution presentation in GridView
  new options for View and Image
  new info displayed on the status bar
  wetted area computation
  embedded NACA airfoil generator
1.5 beta1 (08.02.2012)
  removed bugs of default values in MS2editor
1.5 beta2 (15.02.2012)
  some improvements in module wings (changes in Grid3 and MS2editor)
  minor bugs removed
1.5 rc1 (28.05.2012)
  minor improvements of GridView - triangle smoothing
  bug of profiles reading removed
1.5 rc2 (31.10.2012)
  corrected print of reference data - precision
1.5 rc3 (14.01.2013)
  changes only for MS Windows
  new version ms2 - ver. 31
  new options for wings from modules, including Munk theory
  minor corrections
1.5 rc4 (26.01.2013)
  corrections for flag active=0, correction for wings of type SLAVE "horizontal"
1.5 (29.01.2013)
  corrections for Arc module - both versions updated
1.51 (31.01.2013)
  function "find longeron" to find the number of fuselage longeron to join the wing
1.52 (11.02.2013)
  minor corrections + upgrade of help system (I stage)
1.55 (1.04.2013)
  option of parallel connections was added (useful for flaps modeling)
  new option to control division along the wingspan
  formatted output from PRESS
  minor corrections
1.56 (9.05.2013)
  correction of connections with SLAVE type wings
  information about date of compilation was added to window "About"
1.57 (5.06.2013)
  correction of numbers of wake panels - resolves some problems with connected meshes
  change of ranges in some input widgets (GUI)
1.6 (30.09.2013)
  applications to automate the sequence of calculation(PanAuto, Panukl Project - for SDSA)
  alpha version of correction of the geometry for connected meshes
1.62 (14.10.2013)
  numerous corrections + derivatives YP, YR, XQ were added SDSA
1.7 (17.03.2014)
  correction of data generation for SDSA
  vortex wake can cross the surfaces (only vertical tail in symmetry plane in this moment)
  New application "FEMexport" - export of geometry and results for FEM analysis
  compatible with Calculix (http://www.calculix.de)
  objects selection added - possibility to view objects and loads are printed for each object
  numerous minor corrections
1.71 (19.03.2014)
  correction of the contour lines while objects are present,
  option of the automatic pressure distribution show, after the results are read
1.72 (06.04.2014)
  correction of module wing - Munk option
  minor correction of GUI
1.72a (01.06.2014)
  Linux version
2.0beta (11.08.2017) - rev. 720
  the first edition of the new version 2017:
  new format for mesh file (nodes) - old format (corners coordinates) as option (MS2)
  Mesh2 (old mesh generator) removed from new version
  extended MS2 script file with embedded geometry of profiles, added NACA 4 & 5 digits profiles (MS2editor + Mesh3)
  PANUKL_CONFIG - open source library to support run PANUKL programs in batch mode
  new INI files format, added "recently opened files" in GridView
  added the symmetry option to accelerate the computation, which forced new organization of panels (MS2)
  Mach number distribution in case of compressible flow (GridView)
  corrected wingspan loads distribution (Press)
  possibility to name the output files by user (GridView + Press), automatic names as option
  many major and minor correctness and improvements
  Windows 32 and 64 bit versions (dedicated and combined installers)
  TBD for full 2017 version:
  new manual
  correctness of connections (parallel) and wake infos in Mesh3
  some improvements in fuselage geometry definition
2.0beta1 (16.08.2017) - rev. 725
  minor corrections of embedded profiles
  correction of profiles searching
2.0beta2 (29.08.2017) - rev. 730
  minor corrections of embedded profiles in modular objects
  minor corrections of modular fuselage
2.0beta3 (25.02.2018) - rev. 780
  change the version number to 2018
  added Python script to import the fuselage geometry from NX
  correction of fuselage-wing connection for slave wing and in case wing joined on contact with the fuselage
  change the toleration for parallel connections 0.001->0.002
  website of PANUKL added to main menu
  new structure of Help system
2.0beta4 (29.10.2018) - rev. 825
  propeller model added (Actuator Disc)
  new components of config.lib (PANUKL_API) - modules to read/write the files: [.czy] and [.sdsa]
  new option to define/change the fuselage section division + "smart bypass" function to deflect the fuselage stringers
  change of the reference point for ZOOM with respect to window centre
  correction of calling the Python scripts
2.0rc1 (1.12.2018) - rev. 835
  fixing the bug of embeded profiles in case of modular wing and wing of "nacelle" type
  change of the default result file name base - [.pan] changed to [.prs] - it fixes bug within creation data for SDSA
  protection against wrong indexes in Neigh
2.0rc2 (8.01.2019) - rev. 850
  fixing the bug of modular wings - profiles management
  unification of algorithms for wings connections - the same for vertical and horizontal connections
  new option (F5) to refresh the image in GridView after new mesh were created or/and new results were computed
2.0rc3 (28.01.2019) - rev. 856
  minor correction of wing connections
  correction of F5 option in case of [.dat] file
  new methods to of shaping the vortex wake - options 7,8,9: the wake with the same effect as in cases 1-3
  but the wake panels behind the body are parallel to MAC
2.0 (7.04.2019) - rev. 880
  ms2 file modification - type of generated mesh (nodes or panels) was moved from GridView menu to ms2 file
  new recognition method of airfoil data file type - by the content (not by the filename extention)
  Selig airfoil data base added (UIUC), new airfoil data type added - format "Lednicer"
  airfoil library view added to GridView (similar to this from MS2Editor)
  new organization of GridView main menu
  correction of modular wings:  Munk optimization of selected modules, fixed bug of memory cleaning
  smart-bypass correction
  new POLAR option added to PanuklProject - computation and graphs
  unification of the objects numbering
  correction for parallel computation (data for SDSA)
2.01 (31.07.2019) - rev. 890
  correction of widgets for Mach number
  profiles cleaning
2.02 (17.04.2020) - rev. 900
  config.lib extension
  new options in FEMexport - extention
  correction of wake_info - restoration of correct operation after changing the geometry organization
2.1 (22.09.2020) - rev. 970
  API (config.lib) documantation available directly from GridView
  fixed bug in cross section calculation (Press)
  transmission between MS2editor i GridView - preview of the currently edited geometry
  new modules: Mass (mass analysis) i WingBox
  New item in the main menu of GridView - Structures - paths and executables for Calculix definition
2.1.5 (28.11.2020) - rev. 999
  mudules Mass i WingBox were added
  corrections in FEMexport
  scaling during creating mesh from ms2 file (starting from ms format version: 53)
  added options to control translation and rotation (GridView) compatible with commonly used software (NX, Catia, Calculix)
  added options to display coordinate system and transparent cuboid
  known file extentions are automaticaly added (file_chooser)
  restoring correct screenshot in png format
  added class AIRFOIL to config.lib librabry to read and save files with airfoils geometry
2.1.6 (9.12.2020) - rev.1004
  support for UTF-8 coded names added
  correction of subdirectories creation
2.1.7 (22.12.2020) - rev.1010
  config.lib - file content enhancement "czy" with the dimensions of the slice (dy, dz, dr)
  WingBox changes after "czy" file changes