Update cl-base from 2.4 to 2.5

The main different is what Emacs is updated from 26.1 to 26.3 according to updating Alpine.

Release by stable branch instead of master branch

3.8C

Merge branch 'master' into stable

Fix Bad Request issue when accessing to Emacs package repositories.

3.8B

Fix Bad Request problem for emacs packages

Enable to load custom el

3.8

Enable to add custom el file

Fix: SLIME doesn't work with SBCL

Fix it by updating SLIME from 1.19 to 1.23

Update Roswell

This release is only for updating Roswell.
The main purpose is to import the enhancement of "ros template".

Downgrade slime from 2.20 to 2.19

Change by downgrading slime to 2.19 from 2.20

The commit [1] was not enough to solve "Error in timer" error. In
fact, the solution solved it in CCL but same occurs in SBCL.

[1] 9d7f0fac51d49a792ac181375dbfa9f3b46544b0

Fix some annoying issues

• Fix the problem that downloading https using dex:get fails
  • By updating cl-base
• Fix the problem that slime-restart-inferior-lisp fails when using ccl-bin

Update init.el

• Change keys for paredit-forward and paredit-backward
• Warn long line more than 100 characters by red color

Update init.el

• Use ido-mode instead of icomplete-mode
• Set keys for paredit-forward and paredit-backward
• Adopt some settings automatically created by magit and dired