Version 0.1: Initial upload
Version 0.2

Patch from Yegappan Lakshmanan
1. Support for using the plugin in Vi-compatible mode.
2. Filtering out unwanted lines before processing the db.
3. Command-line completion for the commands.
4. Using the cscope db from any directory.

(Disables perl interface; native VIM database loads are very fast, thanks to
fix #2)
Version 0.3

1. Support compressed cscope databases
2. Display window related bugs fixed
3. More intuitive display and folding capabilities
Version 0.4

1. Rewrite of "tree-display" code
2. New syntax hightlighting
3. Dynamic highlighting for call-trees
4. Support for new window modes (vertical, horizontal)
5. New display format option for compact or wide call-trees
Version 0.41

(Minor fix) Compressed cscope databases will load incorrectly if encoding is not 8-bit
Version 0.50

Optimizations for compact memory foot-print and improved compressed-database load speeds
Version 0.60: Added support for source-file dependency tree
Version .61: Bug fix release
Version 0.65

Added CCTree preview window toggle function (shortcut: <C-\>w )
Version 0.71

Obsoletes 0.70 which had a script bug.
Added support for multiple cscope databases.
Version 0.75

Allow CCTree windows to be "saved".
Multiple instances of CCTree preview windows can now exist.
Use "<Ctrl-\>y" or ":CCTreeWindowSaveCopy" to save the current view.
Version 0.80

Reduce memory usage by removing unused xref symbols
Minor bug fixes
Version 0.85: Major increase in database loading/decompression speeds
Version 0.90

1. Support for large database files using external split utility or in-built perl interpreter interface
Version 1.00

1. Staging release for upcoming features
          - Complete refactoring of code to take advantage of VimScript's OO features
2. Faster decompression of symbols
3. Display related changes
          - Use of unicode symbols for tree
4. Bugfixes related to multi-database loading
Version 1.04

1. Customization for key mappings
2. Dynamic configuration of UI variables
3. Folding long call-trees to show current path dynamically
Version 1.07

 1. Fix new keymaps incorrectly applied to buffer
 2. CCTreeOptsToggle command for toggling options
Version 1.21

1. Support serialization of loaded cscope databases (for faster loading)
Version 1.26

1. Fix macro cross-referencing limitation
2. Correct native xref file format
Version 1.33

1. Load and trace CCTree native XRefDb directly from disk ( :CCTreeLoadXRefDBFromDisk )
(Note: Earlier saved xref db's had an issue with tabs in the tag file; its probably better to  use xref db's generated by version 1.33).
2. Fix AppendDB command when 'ignorecase' is set.