Fix set_if for non-numeric boolean values

fixes #8049
Cli: Make sure to check for removed nodes only once in 'node update-config'

fixes #7917
Documentation: Add import template in dependencies example

fixes #8051
Improve error reporting when libmysqlclient or libpq are missing

fixes #7882
Validate configuration files during reload

fixes #7045
Fix crash in ThreadPool::Stop

fixes #8059
Fix another crash in ThreadPool::Stop

refs #8059
Remove the __ prefix from some of the lexer tokens

fixes #7883
Fix unit tests

refs #7883
Fix path for the OpenSSL DLLs
Cli: Don't parse node repository files twice in 'node update-config'

refs #7917
Update error message to use the correct lexer token name

refs #7883
Remove remarks about setting dictionary value to null to remove the key/value pair

fixes #8066

Signed-off-by: Gunnar Beutner <gunnar@beutner.name>
Update AUTHORS

refs #8066
Documentation: Add note on default notification interval in getting started notifications.conf

fixes #8070
Implement a way to call methods on objects

fixes #8071
Fix if for non-boolean arguments

fixes #8072
Implement string indexers

fixes #8062
Add missing DebugInfo for field accesses

refs #8062
DB IDO: Missing last_hard_state column update in {host,service}status tables

fixes #8058