version 2.2
-possibility for assignment rule 2 to reserve x number of selected units, also as nearby units
-option for nearby rooms in website pages (choose when to use them: never, if possible trying with them first and eventually without after, always)
-possibility to select "always" as the period for rule 1
-css/js to keep the first row on top when scrolling down the rates table (and first columns with horizontal scroll?) in simple theme
-possibility to show pop-up with dates and price when modifying prices in rates table (redirects to insert prices table)
-css/js for red box where prices are modified when modifying prices in rates table
-use viewport tag in all headers, also in framed mode, for example <meta name="viewport" content="initial-scale=1.0"/> (leave "width=device-width," out for landscape view?)
-when mobile browser is detected in simple theme use higher buttons, form fields and links (google check?)
-possibility to select dates for rule 1 in a calendar that also shows already inserted rules ("x" to delete them): blue color for motivations, red color for closures, red/blue stripes for both (with multiple rooms) 
-manual page in html (in doc folder) about editing documents: document types, default variables description, repetitons description, custom variables and conditions
-possibility to include (framed) internet pages with a javascript function (sample code when pages are generated, as for iframe)
-half hours in server offset time
-the "add periods" button at the end of months table as normal user must point to administrator user
-possibility for normal users to move other begun (not checkedin) reservations on "try again" if the initial date corresponds to current date
-mantain "confirm reservation" status when modifying reservations as a group and there are some confirmed and some not confirmed
-add a "rooms cleaning report" to default documents, selecting it from "current + departures" and showing daily costs on that day
-add a "export clients data" in csv format to default documents
-view totals of selected reservations when modifying a group of reservations
-enable possibility to don't use password in download of email messages
-buttons to add phrases in email documents, replacing a custom variable of the document with the phrase (new special condition)
-possibility to set a default duration for credit card password (default 3 months?) forbidding last x (4?) passwords
-truncate too long (old?) messages, with button to show all
-button "add periods" in prices insertion page
-possibility to import the fixed price from per person (and viceversa) and insert discounts separately on both when importing rates
-by default (or when not activated) subordination should import only current and future years
-constant to limit the number of backups created in the last 24h
-store backup file as compressed if gzwrite functions available (custom functions for fopen, fread, fwrite, fclose)


version 3.0
-different custom person types (adults, children 3-10, etc.) for persons in rates (?)
-possibility to group beds (same name when removing suffix letter or number) in rooms table when inserting assignment rule 2
-multicurrency: insert exchange rate for each new currency and choose currency when inserting and showing prices (or select the currency for each rate/cost and store current exchange rate in reservation?) (only registerd in reservation payments?)
-multicurrency website pages
-transition to html 5 from html 4.1
-privilege to view only some apartments (replaces current one based on assignment rule 2, with rule 1 still useful to select only some periods)
-privilege for users to insert assignment rules 1 and/or 2
-possibility to use "X days from current date" for "last available date" (and first date?) in periods when extra costs can be inserted (cancel possibility to assign cost when > or < days missing?) (?)
-possibility for daily extra costs with specific days for not being applied to the last X days
-possibility to keep the data of cancelled reservations (move them in a new table "prenotacanc")
-possibility to indicate the number of nights for final date (javascript in simple theme?), also in webpages
-possibility to select day and month-year for dates, also in webpages


version 3.0.x
-amounts divided by payment methods in cashboxes
-last row in cashbox tables to insert a new income or expense
-possibility to subtract a cashbox income from another cashbox (as expense) when inserting it
-possibility to automatically insert the payment in a selected cashbox when a payment method is selected
-mark the message as answered when sending email from messages table (or from check availability when the origin is messages table) (also on imap server?)
-fast extra cost insertion for "cleaning" costs (insert also inventory items in rooms needed for checkin) (?)
-alternative priority of units when there is an extra bed (order by priorita_lettoagg, priorita and use second letter in assegnazioneapp)
-possibility to select only one group (also if user doesn't belog to it?) instead of all users' groups for each privilege in user privileges
-possibility to show closed rates/rooms availabe/minimum stay in rates table (?) or table of the rate
-move documents selection from year privileges to global privileges
-better recognition of email data when downloading emails in messages: add language, origin (in conf&cust near each subject line), rate(?)
-search also with reservation code when searching reservation number (?)
-possibility to insert rule 1 for all rooms or all rooms in a rate (?)
-minimum number of people for each rate (added to rule 4?)
-possibility to order the reservations table by surname (inner join query)
-categories for incomes or expenses
-possibility to automatically insert point of sale paid money in a cashbox in user privileges (already done for reservation, also extra costs?)
-global privilege to don't allow to insert payments without payment method (when available, default on first inserted method)
-possibility to insert the number of people to be divided casually in selected rates when adding new types while inserting a reservation
-show insertion date for items in inventory
-buy price per unit for inventory items, with possibility to subtract the amount from a cashbox when items added to inventory
-possibility to delete/add an inventory item from rooms at checkin, checkout or every day/week at a selected hour
-when inserting a reservation selecting dates in month table, make a xmlhttprequest to disponibilita.php showing prices of rates that contain the room in rule 2 and button to book
-possibility to show only rooms from one rate (rule 2) or one floor/house in month table
-possibility to don't show past dates (months?) in availability calendar page and rates page
-possibility to show availability calendar only when there is no availability in availability and booking webpages
-possibility to save the bill for later payment in point of sale (associating it to a "POS unit": restaurant table)
-possibility to view last X insertions in point of sale
-possibility to sort extra costs (custom or alphabetically with categories?), also in web pages and point of sale
-add variable [cost_category] in repetitions of costs in documents (?)
-in main menu possibility to select groups for "group checkin" "group checkout" or "modify as a group"
-possibility to group statistics weekly (and daily?) instead of monthly
-for nationality statistics, take into account residence if nationality is not present
-limit to the first 25 nations with higher value (sum of shown years) the tables with nations in statistics, group other nations in "other"
-when inserting prices on daily basis, or in other series of dates, select next date in next row
-buttons in modify privileges that stay on top-right, but only in their year section (same with user selection in "configure ad customize")
-XMLHttpRequest instead of hidden iframe for lists of nations/regions/cities (?)
-use javascript also for costs that have inventory items in point of sale (js_array[stockroom][item_name] = items_number)
-new document fortmat: html to pdf (with dompdf, setting path in preferences?) (wkhtmltopdf from command line?) (?)
-possibility to use external smtp server instead of php mail() function in configure and customize
-customization to automatically purge messages older than x months
-possibility to sort payments table by surname, res. number, arrival or departure date
-when typing 3 letters or more for nations, regions or cities in textboxs, offer to complete the word with xmlhttprequest
-reservation comments to be shown only to some users or guests
-show taxes of rates in default invoices
-add an html invoice showing "base price"(, "taxes %") and taxes on the same line
-possibility to show payments in default invoices
-possibility to show daily prices in default invoices
-possibility to show totals of prices at a % of taxes (if [show_subtotal_invo]=1) in default invoices and do not show sub-total if only one item
-possibility for taxes with decimals
-number of periods in first column of rates table
-possibility to import photos and descriptions from one rate to another (checkbox added in import prices)
-more than one payment method allowed in booking pages (various buttons for payment)
-possibility to import settings (at least html parts) from another website page (with or without phrases)
-add client comment to document variables
-display progressive numbers in email documents with multiple emails
-estimated check-out time (or late check-out checkbox), also shown in month table
-different privileges to "modify" and "delete" clients for users
-possibility to limit the periods when prices are imported permanently from one rate to another
-rates batch update: add x ($ or %) to prices (also from other rates) daily or weekly, in selected periods from now and with x rooms available
-save a batch update with possibility to activate it with interconnection user
-privilege for deleting clients
-use javascript (if available) when clicking on small link to show all dates in menus
-possibility to customize fields asked for guests when inserting a reservation
-show name (and/or value) of extra costs in group columns in reservations table
-possibility for administrator to delete messages for all users
-scoll the availability calendar website page also by day or week
-possibility to show statistics for next year
-checked-in and checked-out in document variables
-possibility to overwrite a document with one uploaded from the documents table
-document variable with comma separated list of items in unit inventory (and another with missing items) in units repetitions
-if a reservation that begins in the future is checked-in, show it in the main menu table (with error sign?)
-possibility to save a file (as document?) connected to a client and/or reservation (document photo, etc.)
-possibility to attach an html or txt document to email documents


version 4.0
-(partial?) source code translation to English


version 5.0
-guided insertion of a new rate: name - periods - prices - rule 2 - rule 4 - extra costs - users and rule 3
-total percentage deposit (not with total percentage extra costs?)
-possibility to modify costs associated to a rate from a single page
-when possible assign automatically the extra cost if rate price (or rate - discount?) is > or < of X
-possibility to have incompatible rooms with combined extra costs (previously check if the cost will be affected by permitted periods and incompatible rates)
-possibility to select a combined extra cost in website pages as the extra beds cost
-customize fields to be asked for titular client, first guest and other guests
-possibility to define a default (selected or first in list) nation, region, city, document type, relatedness (or possibility to change their order)
-optimize reservations distribution when a reservation is deleted (?)
-say if there are unconfirmed reservations when checking and there is no availability
-possibility to show value of extra costs in all reservations table
-possibility to add a column with discounts in all reservations table
-possibility to delete all reservations older than x days without confirmation
-apply extra costs based on total price
-possibility to keep the messages when updating a subordinated installation (sending them to master?)
-possibility to delete the money of cancelled reservations
-possibility to compact clients' numbers
-modify prices inside a table with day numbers in first row and months in first column
-dates ranges instead of options to store menu periods in website pages (?)
-if 2 rooms have same priority give precedence to the one that comes first in assignment rule 2
-possibility to show months separately in availability calendar when there is only 1 type
-show different colors when there are less than X rooms available in calendar website page
-show a different color when there is an unconfirmed reservation in availability calendar
-as admin 2 options when no availability inserting a reservation: don't consider requested rooms or divide it between them (only 2nd for normal users)
-checkbox to select all days when inserting an extra cost with asked days
-YYYY-MM-DD date format
-possibility to modify the receiving email with a document variable in documents in eamil format
-when inserting a new extra cost select to which users with "only selected costs" privilege the cost must be added
-table with cancelled reservations in statistics
-logs in multiple files (the last one is deleted when limit reached)
-possibility to insert a default postal code for cities (use city code as postal code)
-possibility to auto-refresh month table
-auto select (or suggest) the amount of paid money - trasferred in cashbox as default when inserting entrances (?)
-show also the page from where the query was made in logs
-upload a document also for a reservation, as it already done from the documents table
-possibility to reserve a "POS unit" (restaurant table) with day and hour
-show reserved "POS units" (restaurant tables) for a specific day/hour in a table


future versions
-possibility to have different unit names for different rates in website pages
-possibility to customize colors in month table depending on origin, etc.
-billing address (street/city/country/postal code) in credit cards data
-add a new color for not confirmed reservations after X days from their insertion
-privileges to forbid modifying checked-in or checked-out reservations
-possibility to don't show year in dates in rates website page
-possibility to don't show past dates in rates website page
-single room and daily stitistics
-column with assigned rooms in all reservations table
-requested dates in subject of emails from website pages
-store user id in website pages instead of user name
-client data in all reservations table
-discount in all reservations table
-possibility to set an ip access list for login
-possibility to generate javascript dates menus in website pages
-if room(s) requested and rate with rule 2, use rule 2 in second try when inserting reservations(?)
-test speed of changing switch/case with array in mex function
-possibility to change the beginning day of year
-other tables customization
-possibility to add a note to payments details
-pass settings stored in website pages in the database
-rates priority
-possibility to use already inserted clients for guests
-custom colors for rooms
-day table with graphical layout of rooms, showing occupied ones
-document variable with the sum of all taxes
-help on line
