congestion : pseudo code tcp congestion typo
few small corrections
Typo in Principles section
Fix typo in préface
Exercises for building a network section
Merge pull request #79 from motateko/patch-1

Typo in Principles section
closes issues #80 and #81
Merge pull request #82 from Melanie8/master

Fix typo in préface
Merge pull request #75 from diegohavenstein/corrections

few small corrections
mcq-network-vc: fixed typos in positive solutions
mcq-network-shortest: removed duplicated question
mcq-network: Verify button was missing

Fixes #88
mcq-network-pftables: Verify button was missing

Fixes #88
mcq-network: fixed typo in correct answers
Update dv.rst

closes #83
Merge pull request #86 from matttbe/patch-3

mcq-network-vc: fixed typos in positive solutions
Merge pull request #89 from matttbe/patch-5

mcq-network-shortest: removed duplicated question
Merge pull request #90 from matttbe/patch-6

mcq-network: Verify button was missing
Merge pull request #92 from matttbe/patch-8

mcq-network: fixed typo in correct answers
typo