Enhance HttpClient to support pipelining

Modifying URL encoding of HTTP requests

Add a method to specify absolute paths in HttpController

Update test.sh for testing drogon_ctl

Provides a way for users to create and initialize controllers

Add support for plugins

Use PROJECT_SOURCE_DIR instead of CMAKE_SOURCE_DIR

Fix an issue that occur on incorrect SQL

Modify the method of setting the CMAKE_MODULE_PATH

Make Travis CI work

Add the getLoop() method to the HttpAppFramework class

Remove the loop() interface

1. Add the getCustomConfig() method.
2. Rename the registerHttpMethod() to registerHandler().
...

2. Add some comments.

Optimize the app.run() method and the DbClientLockFree class

Modify the configuration of fast database clients
Modify the ConfigLoader class

2. Update the submodule trantor

Move utility functions to the utils namespace

Add some query tests in db_test.cc for orm_lib

Remove an unnecessary null pointer check

2.Fix a compilation error for older g++
3.Update README.md

Add matchedPathPattern() interface in the HttpRequest class

Change version to 0.9.31

Fix a compilation warning

Modify HttpRequestParser to handle invalid requests

Adapt ipv6

Add configuration options that limit the number of keep-alive requests

Modify some functions

Modify the drogon_ctl command

Modify the PgConnection class

Add a Gitter chat badge to README.md

Modify some database classes

Optimize the 'setMethod' function in the HttpRequestImpl class

* Modify the httpserver class to support processing multiple requests at once
* Delay parsing p...

Do some optimization

Change version to 0.9.27

Add an interface to set the 'Server' header field, the user can use the app().setServerHeaderFie...

Add htmlTranslate() method

Add an asynchronous interface for transaction creation