initial revision, including draft of Clock and outlines of TAI and Calendar

darcs-hash:20050223051959-ac6dd-ea6ff7c56b81deaffc2584a3a196a8e6262805d9
make diff times instances of Num

darcs-hash:20050223102859-ac6dd-24d8169a3ff6da7e55dc008515c04dc56e5e902d
export addUTCTime and diffUTCTime

darcs-hash:20050223103517-ac6dd-7c644aba8ebbe04a96df851aef01d33e1692adfc
get TAI to compile

darcs-hash:20050223104825-ac6dd-0a3e7a4109ecca08fb312f83deca2257b815310e
clean up Makefile

darcs-hash:20050223105807-ac6dd-7d333afe8a9804e06faab7a6bebf8e07ee435d9c
get Calendar to compile, make TestTime a proper test, create CurrentTime to show the current time

darcs-hash:20050302045455-ac6dd-61bc2b00b1cbb7f174c701b8776f73b837d5cf0f
more haddock comments, timezone conversion functions

darcs-hash:20050302105353-ac6dd-7e0a4765b0845ddc199bfb01fd74cb35c77fbe47
add dayToCalendar function, with test

darcs-hash:20050302111218-ac6dd-2efd1ae180bcf6b419cbab3f1a1876c5ed7b55c4
more calendar functions, plus test for UTC - Calendar conversion

darcs-hash:20050304062446-ac6dd-51e7118d9d1d7e194bb7b0734a76ec9a3a0ebb88
UT1 calendar functions, with test

darcs-hash:20050307231745-ac6dd-24178425239c3be3a07adedddb2914b3af72353e
clean up Makefile

darcs-hash:20050307234736-ac6dd-66591efb772cae81fb9bd808041e77c25388a881
remove -fglasgow-exts, add -Wall -Werror to all library modules

darcs-hash:20050308014033-ac6dd-7894f665c98a12862a4af7de8f1eb49e2342aa26
new Data.Fixed module with test, move System.Time.* to Fixed arithmetic

darcs-hash:20050309090708-ac6dd-967511e90aa27f86370e163ff42ee30950b27250
use realToFrac

darcs-hash:20050321063144-ac6dd-a67fc28e4d4dfcabaf93e5863c79e8697254d5e5
getCurrentTimezone, with test

darcs-hash:20050321063722-ac6dd-9792ff0e686b52fa1c9770058f77e6614445f6fb
fix Enums to conform with Haskell 98 (and GHC 6.4)

darcs-hash:20050412070257-ca2d0-fc71ddb95a4c9ca4f6c77e5a90020d194bd814c7
use correct time C header

darcs-hash:20050412070658-ca2d0-13155e99611adfa2e008de3b0461fde925a6b602
Makefile to clean properly

darcs-hash:20050414074618-ca2d0-6b5b46879ec6f176b24a30adf5aa9c699f61de06
convert to Cabal

darcs-hash:20050414074706-ca2d0-8991cfdebe2d192385f7bc175995e0c0d5e1f750
time-zone test

darcs-hash:20050426074829-ac6dd-bb8e92544838e18afe1ec6020e8fb145cfaa56e7