* commit '7fb9c73e':
  CharSXPWrapper public for alternate implementations

Merge pull request #257 in G/fastr from ~STEPAN.SINDELAR_ORACLE.COM/fastr:bugfix/use_abstractVectorValue to master

* commit '31eb72fe':
  Style fix: use abstractVectorValue in Lengths builtin

* commit '594e97ac':
  fix for -R:Rdebug=xxx where xxx is a deserialized function; fix crash when Q executed from browser in startup

fix for -R:Rdebug=xxx where xxx is a deserialized function; fix crash when Q executed from browser in startup

Merge pull request #256 in G/fastr from ~STEPAN.SINDELAR_ORACLE.COM/fastr:feature/cast_pipelines2 to master

* commit '1a40f0e7':
  Lengths builtin: converted to cast pipelines + tests
  IsNA: transfer dimnames to the result + generic fallback
  IntToBits and IsListFactor: converted to cast pipelines
  Inherits: converted to cast pipelines and simplified

Merge pull request #222 in G/fastr from ~STEPAN.SINDELAR_ORACLE.COM/fastr:feature/cast_pipelines1 to master

* commit '7623c9f7':
  Few fixes in attr, choose, and debug functions
  Debug functions: remove unnecessary fallback
  Gc converted to cast pipelines, small fixes in CallHierarchyNode and Formals
  Exists: converted to cast pipeline + small fix in DimNames
  Debug functions converted to cast pipelines
  Choose: converted to cast pipelines
  CharMatch converted to cast pipelines
  Call: converted to cast pipelines
  Attr: cast pipelines + exact argument
  attach/detach cast pipelines + few tests
  Aperm: cast pipeline + specialization with dimnames

Merge pull request #254 in G/fastr from ~ADAM.WELC_ORACLE.COM/fastr:feature/builtins_sprint to master

* commit '477b1fe5':
  Rewritten parameter casts for Encoding and setEncoding builtins.

Merge pull request #251 in G/fastr from ~LUKAS.STADLER_ORACLE.COM/fastr:bugfix/findcontextnode to master

* commit 'ad0f375e':
  do not use the FindContextNode class directly

Merge pull request #253 in G/fastr from ~ADAM.WELC_ORACLE.COM/fastr:feature/builtins_sprint to master

* commit '0d32f917':
  Rewritten parameter casts for duplicated and anyDuplicated builtins.
  Simplified parameter cast to use freshly added abstract vector check.
  Added test for abstract vector to cast builder.

* commit 'b3c3333a':
  Fix checkstyle problem
  add raw specialization to match
  simplify handling of compressed connections; fix mode propagation bug with gzfile on non-compressed file
  add setFileTime .Internal

Merge pull request #249 in G/fastr from ~ADAM.WELC_ORACLE.COM/fastr:feature/builtins_sprint to master

* commit '01f95ed4':
  Added fallback to drop builtin.
  Rewritten parameter casts for compilePKGS builtin.
  Rewritten parameter casts for .cache_class builtin.

Merge pull request #252 in G/fastr from ~ZBYNEK.SLAJCHRT_ORACLE.COM/fastr:preserveNonVectorFlag to master

* commit 'b5989e16':
  An overloaded version of the asVector() coercion added allowing specifying the preserveNonVector flag.

An overloaded version of the asVector() coercion added allowing specifying the preserveNonVector flag.