SSLS and Websocket packages adjustments

Signed-off-by: Eduardo Silva <edsiper@gmail.com>
Core: re-define duda_request_t typedef

Signed-off-by: Eduardo Silva <edsiper@gmail.com>
Map: check static maps before static files

Signed-off-by: Eduardo Silva <edsiper@gmail.com>
Event: signaling support (work in process)

Signed-off-by: Eduardo Silva <edsiper@gmail.com>
Event: fix signaling initializator

Signed-off-by: Eduardo Silva <edsiper@gmail.com>
Event: modify callback space inside a new webservice _setup entry

Signed-off-by: Eduardo Silva <edsiper@gmail.com>
KV: define KV_n return values and warnings cleanup

Signed-off-by: Eduardo Silva <edsiper@gmail.com>
Doc: improve documentation for Event object

Signed-off-by: Eduardo Silva <edsiper@gmail.com>
Doc: Add Log Writer object documentation

Signed-off-by: Eduardo Silva <edsiper@gmail.com>
Event: set eventfd non blocking

Signed-off-by: Eduardo Silva <edsiper@gmail.com>
KV: add cursors support

Signed-off-by: Eduardo Silva <edsiper@gmail.com>
Map: validate data processed

Signed-off-by: Eduardo Silva <edsiper@gmail.com>