async+perf: updating README with ch1 title
async+perf: more 'event loop'
async+perf: ch1, 'parallel threads' and 'run-to-completion'
fix typo
fix typo
fix typo
Merge pull request #200 from 4thana/patch-1

fix typo
Merge pull request #201 from 4thana/master

fix typo
Merge pull request #202 from 4thana/patch-2

fix typo
types+grammar: clarifying, closes #198
types+grammar: closes #193, closes #195
types+grammar: in ch4, adding forward note from ch4 to ch5, closes #191
types+grammar: clarifying as 'external document' references, closes #187
async+perf: ch1, clarifications
Fix tiny typo: Line 30 'statment' ->  'statement'
Merge pull request #203 from jabbrass/patch-3

Fix tiny typo: Line 30 'statment' ->  'statement'
async+perf: ch1 minor tweaks
async+perf: ch1, concurrency
async+perf: ch1, 'interaction'
async+perf: ch1, more on sync blocking vs async