[fr] Follow #670

Fix spelling/grammar in paragraph 3 of Dispatching Events in Events
System docs
[fr] Follow #671

Small grammar fix to Events System docs
[fr] Follow #672

use utf8 as default encoding
[fr] Follow 46ab5d735200a58178da8b8c504ae8df094427eb

fixed period position
[fr] Follow 9c279721a4abfe81a9c310a672c89220e0806f7f

fixed document links
[fr] Follow e229cd8c8e7b7416228a6c5ce8b95430dd158eb2

Added info about deprecated constants
[fr] Follow 99ff8d58af2db2ef37dd2b8f36679dab6a0ce41f

Update docs for new CakeNumber feature.
[fr] Follow de183812ea04757d649f2a5be3e822c6cbf5acd9

Add notes about properly escaping output.
[fr] Follow ae7d773499d1cead39c3fcf57e73f68275fe21a0

provide ability for rounding
[fr] Follow 428c1e1b47a0eab411e750be3de52a713467cd3d

Fix incorrect formatting.
[fr] Follow 553f148ae533b382eee670b348a02fd19f064ffb

Added return before redirect
[fr] Follow #680

Removed else clause after redirect
[fr] Follow f8e37687401333fde6d28bf805cb6e9bcd265c2c

return early for redirects
[fr] Follow #684

Added note about Sanitize deprecation in migration guide and removed
it's page.
[fr] Follow #685

Added a few readability and consistency edits to sessions
[fr] Follow #691

Updated core library component section to match session section