v1.2.2 - Outsourced utils + DRY + New Blocks

Major Changes:

• seperated interesting parts of utility into the new project gceutils
  => added tests for and document utility
• added new expandable blocks
  => updated tests & documentation
• added tests for and integrated project_api
• improved project installation
• updated abstract tree tools
• reduced huge validation code + improve grepr_dataclass
• added tests for grepr_dataclass & others

Minor Changes:

• added old opcode typo correction system
• removed last string references
• removed docker install test (was not actively used or maintained anyway)

Full Changelog: v1.2.0...v1.2.2