4. Revision History

• 1.1 Initial document.
• 1.2 Spellchecking and reformatting.
• 1.3 This revision history, updated version.
• 1.4 Major updates for version 1.4.0
• 1.9 revision for 1.4.1
• 1.11 revision for 1.4.2
• 1.15 revision for 1.4.3
• 1.18 revision for 1.4.6
• 1.19 revision for 1.4.7
• 1.20 revision for 1.4.8
• 1.21 revision for 1.5.0
• 1.22 revision for 1.5.1
• 23 revision for 1.5.2