- added wrapper for BasicTimeZone.getTimeZoneRules, getSimpleRulesNear
   - added wrapper for BasicTimeZone.hasEquivalentTransitions
   - added wrappers for DateTimeRule, DateRuleType, TimeRuleType

added wrapper for TimeZoneRule.isEquivalentTo
added wrapper for TimeZoneTransition.getTime, getFrom, getTo
added wrapper for BasicTimeZone.getNextTransition, getPreviousTransition

  - added wrapper for BasicTimeZone.getOffsetFromLocal
  - added wrappers for VTimeZone creation methods
  - added wrappers for VTimeZone.write, writeSimple, getTZURL, getLastModified

Update explanations about strings to reflect Python 3.

See merge request !141

  to MeasureUnit *

  - added wrappers for MeasureUnit.product(), reciprocal(), getDimensionality()
  - added wrapper for MeasureUnit.forIdentifier()

* Add installation instructions to README.md

* Update instructions concerning C-compilers

* Link to C-compiler explanation

* Link to packages.debian.org/source/stable/pyicu

* Fix typo

  - added wrappers for DateIntervalFormat.get/setContext()
  - added wrapper for LocaleMatcher.isMatch()
  - added wrapper for LocaleMatcherBuilder.setDirection()
  - added wrappers LocaleMatcherBuilder.setMaxDistance(), setNoDefaultLocale()
  - added wrappers for MeasureUnit.getComplexity() and UMeasureUnitComplexity
  - added wrapper for MeasureUnit.getIdentifier()
  - switched MeasureUnit.__str__() to use MeasureUnit::getIdentifier()  
  - added wrappers for new MeasureUnit static factory methods
  - added wrapper for FormattedNumber.getOutputUnit()
  - added wrapper for FormattedNumberRange.getDecimalNumbers()
  - added wrappers for PluralRules.select(FormattedNumber|Range)

 - fixed parameter order inversion in parsing args to UBidiTransform.transform