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DEPLOYER-1 Add config manipulation
DEPLOYER-1 Add middle element creation
Renamed package, add returning errors
Formatting
DEPLOYER-1 add check for required params
DEPLOYER-1

Removed dependency on exsisted node type, now it will replace whatever there was with parsed type
DEPLOYER-1 Removed typedef Config
Splited Setting variable and determening path

To allow setting any interface in config
Fixed reading and writing configs
Config is back, rewrited some functions to type funcs
Rewrited SetVariable and CheckRequired (now Validate)

Plus moved configuration to subpackage.
Plus made Stack
Removed debug output
Moved configuration back to libdeploy module
Add specific type getters
Fix merging errors
Refactored
Add slice getter
Small config refactoring