PeaZip 3.7.0

# BACKEND
* Pea 0.35
* (Linux) p7zip 0.9.20

# CODE
* Compiled with -O3 optimizations
* Compiled with Lazarus 0.9.30, done preliminary code cleanup to improve compatibility with 0.9.31 and following releases
- Replaced TNotebook (deprecated) with TPageControl
* File manager related functions moved from pea_utils (dependent on crypto library) to list_utils (not dependent on the crypto library)
* Moved application's initialization code from FormCreate to FormShow event
* Updated *_utils units to introduce new features for improving and customizing the application
* Used pure pascal replacement for crc_hash library units

# FILE MANAGER
* Automatic hint window on Listview to highlight data about file/folder below the mouse cursor
* (Windows) Improved browser aspect in Icon mode
* Improved navigation
- Added breadcrumb address field displaying up to 8 parent paths
> click on names to jump to parent directories
> click on spacer arrows or on free space on the breadcrumb to switch to classic editable address field, leave the control to return to the breadcrumb
> rightclick on the breadcrumb to show a popup menu displaying full path of parent paths (up to 8) and computer's root
- Implemented fast swicthing between navigation and treeview mode navigator
- Improved navigation sidebar's treeview mode (Shift+Ctrl+3), navigating a folder updates the selected foler in the treeview
- Simplified address bar
> Removed history button from address bar (it is featured in navigation button on the left of the address field)
> Refresh placed on the right of address field
> Search placed on the right of filter field
* Improved sorting: sorting is possible also in non-details modes using "Sort by" menu in main menu and browser's context menu
* Linked PeaZip's tracker in help menu to help users in filing bug reports and feature requests
* Tool bar and Address bar can be swapped in position to give visual priority either to functions or to navigation
* Themes: tool bar and address bar can be optionally themed with a texture
* Web search: added menu entries to search with PeaZip Search, powered by Google Custom Search
* Various minor fixes and enhancements

# ARCHIVING
* When creating archives containing multiple files or folders, the archive is named as the parent folder of the items, except if "add to separate archives" option is flagged.