Merge branch 'release/2.4.20' into develop
version bump develop
fixed PARSERLIB-25
Regression Test + Fix for PARSERLIB-26
add hex literals
Merge branch 'develop' of github.com:bendisposto/probparsers into develop
PROB-322: Added a typeof element in the AST, increased version number.
Added freetypes to ProB's B AST
Fixed warnings by doing an "organize imports"
FreeTypes in ProB's AST: Added support in the Prolog Printer, added test case, incremented version number
Freetypes in classical B:
 - Added concrete syntax
 - small change in AST
 - adapted test case
 - increased version number
working on prepl mode for parser
- Freetype syntax: using = instead of ::=
- Added test case
new freetype syntax with = instead of ::=
version number for release
Merge branch 'release/2.4.24'
Merge branch 'master' of github.com:bendisposto/probparsers