Update to 0.95.

Changes:

0.95 Tuesday 21 April 2015

• Some improvements in the POD documentation.
• New time_zone parameter to sun_rise and sun_set.
• New tests for fork-less systems
• New tests to check for parameter checking

0.94 Tuesday 10 March 2015

• Fix typos in the POD documentation
• Fix problem in the t/03dst.t test file.

0.93 Tuesday 3 March 2015

• Stylistic and kwalitee issues: license, distro structure, etc.
• Fix ticket 62593 (patch from Slaven Rezic)
• Parameters to sunrise can be passed by name (using a hashref)
• The upper_limb is not longer hard-coded, it is now a parameter
• The behaviour for polar day and polar night can change: no warning, but a special return value.
• Make degree-trigonometric functions available for import.