ERT-626: Fixed bug in BaseCValue.from_param()
(cherry picked from commit b0e9a32)
ERT-626: Added __str__() specialization for time_vector
(cherry picked from commit 6bdf53d)
ERT-626: Simpliefied slightly
(cherry picked from commit 5c9a3c3)
__getitem__ user friendliness
(cherry picked from commit cef6266)
Removed direct call to __str__
(cherry picked from commit c5d04df)
Fix for from_param issue (returns SimplCData instead of int)
(cherry picked from commit df51b09)
Updated version number to 1.5.2
Merge pull request #510 from flikka/version-1.5

Version 1.5.2 - CTime bug fixes