renaming from client_ajax to client_common
intermidiat version not working
modified naming and refactoring
Merge branch 'master' into rebuilding_arch

Conflicts:
	test/client/server_test.dart
export clientRequest from common also in server
add test for request handler need refactor
addin test for server side and renaming files
adding files
fixing comments
delay implemented
removed print
removed print
dependency backend back on master
Remove default value for wait
add braces
rewriting of tests
merged add_pooling
rename executor to handler
added client example
rewriten client tests