To upgrade Data Tables by Supsystic plugin free version to the commercial you need to
1. Install latest free version of the plugin here: https://wordpress.org/plugins/data-tables-generator-by-supsystic/

2. Then download commercial version from your personal account: http://supsystic.com/login/

!Important! You need both versions to be installed. Free and commercial one.

== Changelog ==

= 1.5.1 / 13.03.2019
 * Changed interface for settings
 * Add option: Export Links Position
 * Fix for style tooltip and overview
 * Added Table Styling Settings
 * Minor issues fix

= 1.5.0 / 20.02.2019
 * Added excel import option (import as string)
 * Fix of exporting the table to PDF in admin area if SSP is enabled
 * Fix of displaying diagrams and connecting of other assets for tables with SSP
 * Fix of using of some crashed logo links during importing table to PDF
 * Fix of displaying tables with collapsible cells and responsive mode: Automatic Column Hiding
 * Added variables for sql-query
 * Minor issues fix

= 1.4.9 / 20.12.2018
 * dded option on-off legend labels along with parts of the chart
 * Small Fix Zing Charts
 * Encode cell data before saving in db

= 1.4.8 / 13.12.2018
 * Fix of exporting of tables with hidden cells to PDF
 * Fix of using of frontend fields in tables with fixed header / footer / columns
 * Fix of exporting tables with hidden cells to MS Excel
 * Fix of applying of condition formatting

= 1.4.7 / 29.11.2018
 * Fixed compatibility free plugin with the woo pro addon
 * Fixed activation
 * Fix of displaying of the message if export from Google Spreadsheets is denied
 * Fix of exporting of tables with hidden cells to PDF
 * Fix of dates formatting after automatic import from Google Sheet if Server Side Processing is enabled
 * Fixed Google Charts tooltip flickering
 * Add "Mark Last Edited Cell" option
 * Work with woo plugin addon
 * Fix of exporting to PDF and printing for tables with fixed rows/columns
 * Fix displaying of editable fields
 * Add ability to set the style for chart points
 * Added ability to create diagrams for shortcodes of other plugins
 * Fix editable fields after export
 * Fix export to PDF with multiple rows in a cell
 * Add custom roles for Roles Restrictions Options
 * Make correct sort order in History table mode
 * Add of diagram option: Axe Х Mode
 * Fix of multi-exporting of tables

= 1.4.6 / 14.08.2018
 * Fix issue with percents rounding
 * Fix issue with permissions on database migrations

= 1.4.5 / 10.08.2018 =
 * Implemented automatic updating of diagrams when changing data in a table
 * Added import/export Selectable Fields to/from Excel
 * Added function of showing Lightbox for images in cells
 * Fixed problems with the first activation
 * Fix of using of Frontend Fields this Fixed Columns option. Fix of "Use for Logged In Users Only" option for Frontend Fields
 * Fix saving ReadOnly for cells
 * Fix for an export table to PDF for the admin area
 * Added ability to change the data range in the diagrams without re-creating
 * Fix issue with cyrillic symbols on export to PDF
 * Fix for conditions bug
 * Added mass migration of tables
 * Add drawing the table according to the data from the database
 * Add option "Export Fonts to PDF"
 * Fix Multisite Installation process
 * Fix of dynamically applying of diagram's options to diagram preview
 * Fixes for optioon Source - Database
 * Added the ability to edit database table data through the frontend fields
 * Added the ability to create diagrams for cells with shortcodes
 * Add loader for diagrams
 * For Source Option added the ability to Export data from an External DB and use SQL Query
 * Added the ability to build a chart based on data from database tables
 * 

= 1.4.4 / 07.05.2018 =
 * Add of 3D ZignChart diagram type
 * Add of Conditional Formatting feature
 * Add ability to applying the rules of conditional formatting during table export/import
 * Add ability to use datepicker to edit fields with date type on the frontend
 * Add ability to import data to table via frontend form
 * Add ability to applying hidden cells to the table during table export/import
 * Add ability to convert the content of cells to the icons with tooltips
 * Add of a check for required extension ZipArchive for import from MS Excel
 * Add ability to set period for creating of new table instance in history
 * Add of scrolling for editable input on the frontend
 * Add ability to display the same diagram on the page twice
 * Add of merging cells after table import
 * Fix of displaying diagrams in the tables with next features: pagination, Automatic Column Hiding response mode, sorting
 * Fix of displaying diagrams in the tables search results
 * Fix of exporting the table to PDF
 * Fix of links for Data Tables PRO, when FREE plugin not installed
 * Fix of applying text wrapping for cells during table export/import.
 * Fix of applying underline text style for cells during table export/import
 * Fix of saving of Frontend Fields, when saving an empty value
 * Fix of saving of Frontend Fields and exporting of changed data.
 * Fix of switching the cell from selectable to editable type in the admin area
 * Fix of switch between frontend fields by Tab if the table has hidden fields
 * Fix of displaying of diagrams as table's content
 * Security fix for table import and export
 * Optimized labels for Frontend Fields


= 1.4.3 / 03.02.2018 =
 * Hotfix for import formulas with links to another excel book's sheets
 * Hotfix for datatables with translation
 * Minor issues fix

= 1.4.2 / 31.01.2018 =
 * Fix for import data in Time format from Google Spreadsheet
 * Fix of exporting of specific font symbols to PDF
 * Add of a check for required extension ZipArchive for export to MS Excel 2007
 * Added ability to set paper size for PDF export
 * Update the way of table export to PDF
 * Fix of determination of cell index for tables with a large count of columns during export table to Excell
 * Update usability for table options in admin area
 * Add new table formula: INDEX. Fix of formulas' parsing during table import from MS Excel
 * Fix for displaying of the error message for table import
 * Add ability to export of table's rows height and table's columns width to MS Excel
 * Fix for a print table on the frontend. Fix for an export table to PDF

= 1.4.1 / 19.12.2017 =
 * Add selectable fields
 * Add "Stacked Columns" option for the Bar Charts and the Column Charts
 * Add ability copy cell value with cell meta
 * Add toolbar buttons: Font Family
 * Add ability to export formatted cell values without HTML on the frontend and in the admin area
 * Add ability to applying font family and font size for the cell during import and export from MS Excel
 * Fix of displaying editable fields in the Automatic Columns Hiding response mode
 * Fix of saving selected value of selects in the table cells for printing and exporting table
 * Fix of using tab button for switch between editable fields on the frontend
 * Fix of calculating formulas on the frontend
 * Fix of styles for Diagram dialog window
 * Fix for an export table to PDF
 * Fix of import from Google Spreadsheet

= 1.4.0 / 08.11.2017 =
 * Fixed PDF export for backend and frontend
 * Fixed code structure
 * Fixed Editable Fields if Horizontal responsive Mode is enabled
 * Fixed Editable Fields option bug
 * Fixed compatibility with old PRO versions
 * Fixed displaying tables in the admin menu for selected user roles
 * Fixed notification about license expiration
 * Minor issues fixed

= 1.3.9 / 05.10.2017 =
 * Fixed import from Google Spreadsheet
 * Fixed bug with Editable field on the mobile device
 * Fixed bug with Export through the frontend
 * Minor issues fix

= 1.3.8 / 20.09.2017 =
 * Fixed detect the cell format after table autoloading from Google Spreadsheet
 * Fixed using the table cache
 * Fixed saving of custom CSS for table
 * Fixed export of table to PDF on the frontend
 * Fixed compatibility with PHP 7
 * Fixed displaying the diagrams on the frontend
 * Fixed displaying editable fields for tables with horizontal scroll
 * Fixed displaying editable fields in the table header
 * Added ability to set offsets for axes area of the diagram
 * Fixed editable fields after table redrawing
 * Added time format 00.00 
 * Added image extracting from the formula
 * Minor issues fix

= 1.3.7 / 01.08.2017 =
* Fixed of import formats for the cell from Excel / Google Spreadsheet
* Fixed of export table styles to PDF
* Minor issues fix

= 1.3.6 / 26.07.2017 =
 * Fixed the displaying of the error message for diagram's creation if there were no cells choose.
 * Fixed updating diagrams by resize or orientation change events.
 * Fixed the display of signatures with a length of more than 8 characters for diagram vertical axis.
 * Fixed editable fields for tables with pagination.

= 1.3.5 / 18.07.2017 =
 * Fixed displaying error message for diagram's creation
 * Minor issues fix

= 1.3.4 / 26.06.2017 =
 * Fixed showing notifications
 * Fixed frontend export to PDF for Google Chrome Browser

= 1.3.3 / 22.06.2017 =
 * Fixed export to .xls format for tables with standard formulas
 * Fixed diagrams' displaying
 * Fixed bug with entering data into colorpicker input width Modal overlay

= 1.3.2 / 23.05.2017 =
 * Fix of import from Google Spreadsheets
 * Fix of diagrams' responsivity, if diagram's width was set in %
 * Fix of diagrams' displaying
 * Fix of editable fields
 * Fix of export to .xls format

= 1.3.1 / 15.05.2017 =
 * Hot fix the creation of diagrams' table

= 1.3.0 / 15.05.2017 =
 * Hot fix the History Table feature

= 1.2.9 / 05.05.2017 =
 * Add the History Table feature
 * Add ability to choose rows and columns for diagrams' creating
 * Fix and optimize of saving of editable fields

= 1.2.8 / 13.04.2017 =
 * Added auto import from Google Spreadsheets
 * Split the table export to Excel on the formats: .xls and .xlsx
 * Fix for table's import from MS Excel and Google Spreadsheets
 * Fix of detect hyperlinks during import from Google Spreadsheets
 * Fix for merging cells during table export
 * Fix for export tables from CSV files
 * Fix for diagrams displaying
 * Fix of tables creating in the database

= 1.2.7 / 14.03.2017 =
 * Add option for tables import: Append to existing table data
 * Fix of import table from Google Spreadsheets
 * Fix of work of editable fields
 * Fix of creating the diagrams

= 1.2.6 / 22.02.2017 =
 * Hot fix for comparability between new FREE and old PRO version
 * Minor isues fix

= 1.2.5 / 21.02.2017 =
 * Optimization of the table's saving process and displaying the table's preview
 * Add error message for Import dialog if the file was not chosen
 * Add font with the support of Cyrillic and Latin Extended characters for PDF export
 * Fix the displaying the diagrams on the frontend
 * Fix of table sorting after changing data on frontend
 * Fix of ability to use editable fields when there are many tables on the page

= 1.2.4 / 21.01.2017 =
 * Fixed the creation of diagrams
 * Minor isues fix

= 1.2.3 / 22.12.2016 =
 * Add ability to enter percentages like simple numbers on backend and frontend
 * Update English language
 * Minor isues fix

= 1.2.2 / 15.12.2016 =
 * Add ability to enter formulas in editable fields
 * Add ability to parse the email links during import from xls/xlsx files
 * Fix of applying number format for empty editable cells
 * Fix of moving between editable cells via the Tab button in IE
 * Fix for display caption in the export PDF file
 * Update the notices for Google Spreadsheets in import dialog and import process

= 1.2.1 / 17.11.2016 =
 * Added possibility to dismiss the extend notice of the license
 * Fix of diagrams displaying after removing of table rows or columns

= 1.2.0 / 18.10.2016 =
 * Update the styles of Import / Export dialog windows
 * Update the detect of background color and font color of the cell during import from xls / xlsx files
 * Fix of import from xls and xlsx files if the cells from other sheets use in the formulas
 * Fix of export of the large tables to PDF
 * Fix the displaying of the table in the PDF file
 * Fix of displaying of colorpickers in the Diagram dialog window
 * Fix for displaying the diagrams if the number of rows or columns of the table was changed

= 1.1.9 / 04.10.2016 =
 * Add Export Page Orientation option for the Export to PDF feature
 * Set default measure (px) for width and height of diagram
 * Fix of import the styles from old / new format of Excell files
 * Fix of save data in editable fields
 * Correct PRO updater URL

= 1.1.8 / 27.09.2016 =
 * Fix of import data from current sheet of Google Spreadsheets
 * Minor issues fix

= 1.1.7 / 22.09.2016 =
 * Added Featured plugins page for the admin area
 * Added the update of charts data after the table's data was changed
 * Added ability to set diagram parameters: width, height, titles of axes, colors of charts
 * Added tutorial how to create diagrams in the Diagram tab if it is empty

= 1.1.6 / 15.08.2016 =
 * Hot fix for Save data in editable fields option
 * Minor issues fix

= 1.1.5 / 10.08.2016 =
 * Add Save data in editable fields option
 * Add table styles for export table in the .xls file
 * Fix of displaying the table styles after import from xlsx / xls files
 * Add Brazilian Portuguese language

= 1.1.4 / 22.06.2016 =
 * Show license activation errors - if there are some
 * Avoid disabling PRO modules even if license - expired
 * Add using of the table name as the name of the export file

= 1.1.3 / 17.05.2016 =
 * Fix of colors issue for frontend export
 * Minor issues fix

= 1.1.2 / 14.04.2016 =
 * Fix preview add diagram popup loading issue
 * Updated google diagrams library loader
 * Fix table print bug

= 1.1.1 / 31.03.2016 =
 * Fixed correct export to pdf format in all browser
 * Added place logo in a pdf file and for print mode
 * Fixed print file in ie
 * Minor bug fixes

= 1.1.0 / 24.02.2016 =
 * Fix bug with wrong assets location path on windows servers
 * Fix bug with pdf export in the dashboard
 * Added feature add logo to table when exporting to pdf or print
 * Fix bug with image sizes in pdf
 * Fix bug with cell format updates

= 1.0.9 / 10.02.2016 =
 * Added fixes for export option
 * Minor bugfixes

= 1.0.8 / 09.02.2016 =
 * Allow table have editable cells without formulas
 * Add new features: send table on printer and switch between editable fields by tab
 * Rework import table feature, added support cell colors, alignment, and sizes
 * Add autoselect cell content when clicking on the editable cell
 * Added styles for a table when sending to print or save as pdf

= 1.0.7 / 08.01.2016 =
 * Changed editable cells input logic
 * Rework save as pdf feature now save the current state of the table with styles and images
 * Added handling for shortcodes
 * Fix bug with roles permissions

= 1.0.6 / 24.12.2015 =
 * Added feature to make editable fields

= 1.0.5 / 14.12.2015 =
 * Added role manage feature
 * Fix bug whith render old digrams on dashboard
 * Fixed google spreadsheet import bug

= 1.0.4 / 13.11.2015 =
 * Added google charts builder

= 1.0.3 / 28.10.2015 =
 * Minor bugfixes

= 1.0.2 / 14.10.2015 =
 * Fixed bug with export xsl files

= 1.0.1 / 06.10.2015 =
 * Added delimeter to csv import option.
 * Improved table render speed
