Fix syntax in API Guide and move content round a bit
Fix syntax in API Guide and move content round a bit

dsyer/sagan,dsyer/sagan,martinlippert/sagan,martinlippert/sagan,dsyer/sagan,spring-io/sagan,spring-io/sagan,spring-io/sagan,dsyer/sagan,martinlippert/sagan,spring-io/sagan,martinlippert/sagan